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Finding the Fourth Proportional to 487,375.92, 731,073.90 and 150,416.77

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Solution

The fourth proportional to 487,375.92, 731,073.90 and 150,416.77 is: 225,628.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,375.92 : 731,073.90 = 150,416.77 : x
  2. Step 2: Convert to fraction form
    487,375.92/731,073.90 = 150,416.77/x
  3. Step 3: Cross multiply
    487,375.92x = 731,073.90 × 150,416.77
  4. Step 4: Simplify right side
    487,375.92x = 109,965,774,669.30
  5. Step 5: Solve for x
    x = 109,965,774,669.30/487,375.92
  6. Step 6: Final answer
    x = 225,628.25

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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.