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Finding the Fourth Proportional to 502,859.73, 754,283.22 and 123,785.20

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Solution

The fourth proportional to 502,859.73, 754,283.22 and 123,785.20 is: 185,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,859.73 : 754,283.22 = 123,785.20 : x
  2. Step 2: Convert to fraction form
    502,859.73/754,283.22 = 123,785.20/x
  3. Step 3: Cross multiply
    502,859.73x = 754,283.22 × 123,785.20
  4. Step 4: Simplify right side
    502,859.73x = 93,369,099,244.34
  5. Step 5: Solve for x
    x = 93,369,099,244.34/502,859.73
  6. Step 6: Final answer
    x = 185,676.23

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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.