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Finding the Fourth Proportional to 567,318.60, 850,977.90 and 520,079.40

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Solution

The fourth proportional to 567,318.60, 850,977.90 and 520,079.40 is: 780,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,318.60 : 850,977.90 = 520,079.40 : x
  2. Step 2: Convert to fraction form
    567,318.60/850,977.90 = 520,079.40/x
  3. Step 3: Cross multiply
    567,318.60x = 850,977.90 × 520,079.40
  4. Step 4: Simplify right side
    567,318.60x = 442,576,075,645.26
  5. Step 5: Solve for x
    x = 442,576,075,645.26/567,318.60
  6. Step 6: Final answer
    x = 780,119.10

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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.