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Finding the Fourth Proportional to 474,984,114.80, 711,342,431.40 and 474,984,114.80

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Solution

The fourth proportional to 474,984,114.80, 711,342,431.40 and 474,984,114.80 is: 711,342,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,984,114.80 : 711,342,431.40 = 474,984,114.80 : x
  2. Step 2: Convert to fraction form
    474,984,114.80/711,342,431.40 = 474,984,114.80/x
  3. Step 3: Cross multiply
    474,984,114.80x = 711,342,431.40 × 474,984,114.80
  4. Step 4: Simplify right side
    474,984,114.80x = 337,876,355,098,208,704
  5. Step 5: Solve for x
    x = 337,876,355,098,208,704/474,984,114.80
  6. Step 6: Final answer
    x = 711,342,431.40

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Double scale
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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.