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Finding the Fourth Proportional to 437,086.98, 655,747.14 and 156,632.58

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Solution

The fourth proportional to 437,086.98, 655,747.14 and 156,632.58 is: 234,990.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,086.98 : 655,747.14 = 156,632.58 : x
  2. Step 2: Convert to fraction form
    437,086.98/655,747.14 = 156,632.58/x
  3. Step 3: Cross multiply
    437,086.98x = 655,747.14 × 156,632.58
  4. Step 4: Simplify right side
    437,086.98x = 102,711,366,365.82
  5. Step 5: Solve for x
    x = 102,711,366,365.82/437,086.98
  6. Step 6: Final answer
    x = 234,990.68

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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.