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Finding the Fourth Proportional to 487,251.54, 730,956.12 and 150,213.33

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Solution

The fourth proportional to 487,251.54, 730,956.12 and 150,213.33 is: 225,344.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,251.54 : 730,956.12 = 150,213.33 : x
  2. Step 2: Convert to fraction form
    487,251.54/730,956.12 = 150,213.33/x
  3. Step 3: Cross multiply
    487,251.54x = 730,956.12 × 150,213.33
  4. Step 4: Simplify right side
    487,251.54x = 109,799,352,869.08
  5. Step 5: Solve for x
    x = 109,799,352,869.08/487,251.54
  6. Step 6: Final answer
    x = 225,344.29

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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.