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Finding the Fourth Proportional to 637,259,318.60, 955,888,977.90 and 637,259,318.60

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Solution

The fourth proportional to 637,259,318.60, 955,888,977.90 and 637,259,318.60 is: 955,888,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,259,318.60 : 955,888,977.90 = 637,259,318.60 : x
  2. Step 2: Convert to fraction form
    637,259,318.60/955,888,977.90 = 637,259,318.60/x
  3. Step 3: Cross multiply
    637,259,318.60x = 955,888,977.90 × 637,259,318.60
  4. Step 4: Simplify right side
    637,259,318.60x = 609,149,158,713,804,416
  5. Step 5: Solve for x
    x = 609,149,158,713,804,416/637,259,318.60
  6. Step 6: Final answer
    x = 955,888,977.90

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.