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Finding the Fourth Proportional to 487,729.99, 731,665.09 and 150,796.92

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Solution

The fourth proportional to 487,729.99, 731,665.09 and 150,796.92 is: 226,217.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,729.99 : 731,665.09 = 150,796.92 : x
  2. Step 2: Convert to fraction form
    487,729.99/731,665.09 = 150,796.92/x
  3. Step 3: Cross multiply
    487,729.99x = 731,665.09 × 150,796.92
  4. Step 4: Simplify right side
    487,729.99x = 110,332,838,008.21
  5. Step 5: Solve for x
    x = 110,332,838,008.21/487,729.99
  6. Step 6: Final answer
    x = 226,217.05

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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.