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Finding the Fourth Proportional to 616,785.95, 925,388.97 and 332,503.97

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Solution

The fourth proportional to 616,785.95, 925,388.97 and 332,503.97 is: 498,869.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,785.95 : 925,388.97 = 332,503.97 : x
  2. Step 2: Convert to fraction form
    616,785.95/925,388.97 = 332,503.97/x
  3. Step 3: Cross multiply
    616,785.95x = 925,388.97 × 332,503.97
  4. Step 4: Simplify right side
    616,785.95x = 307,695,512,126.40
  5. Step 5: Solve for x
    x = 307,695,512,126.40/616,785.95
  6. Step 6: Final answer
    x = 498,869.19

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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.