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Finding the Fourth Proportional to 637,259,277.60, 955,888,916.40 and 637,259,277.60

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Solution

The fourth proportional to 637,259,277.60, 955,888,916.40 and 637,259,277.60 is: 955,888,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,259,277.60 : 955,888,916.40 = 637,259,277.60 : x
  2. Step 2: Convert to fraction form
    637,259,277.60/955,888,916.40 = 637,259,277.60/x
  3. Step 3: Cross multiply
    637,259,277.60x = 955,888,916.40 × 637,259,277.60
  4. Step 4: Simplify right side
    637,259,277.60x = 609,149,080,330,910,848
  5. Step 5: Solve for x
    x = 609,149,080,330,910,848/637,259,277.60
  6. Step 6: Final answer
    x = 955,888,916.40

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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.