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Finding the Fourth Proportional to 474,984,201.55, 711,342,561.51 and 474,984,201.55

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Solution

The fourth proportional to 474,984,201.55, 711,342,561.51 and 474,984,201.55 is: 711,342,561.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,984,201.55 : 711,342,561.51 = 474,984,201.55 : x
  2. Step 2: Convert to fraction form
    474,984,201.55/711,342,561.51 = 474,984,201.55/x
  3. Step 3: Cross multiply
    474,984,201.55x = 711,342,561.51 × 474,984,201.55
  4. Step 4: Simplify right side
    474,984,201.55x = 337,876,478,607,359,104
  5. Step 5: Solve for x
    x = 337,876,478,607,359,104/474,984,201.55
  6. Step 6: Final answer
    x = 711,342,561.51

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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.