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Finding the Fourth Proportional to 616,532.80, 924,799.20 and 173,243.20

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Solution

The fourth proportional to 616,532.80, 924,799.20 and 173,243.20 is: 259,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,532.80 : 924,799.20 = 173,243.20 : x
  2. Step 2: Convert to fraction form
    616,532.80/924,799.20 = 173,243.20/x
  3. Step 3: Cross multiply
    616,532.80x = 924,799.20 × 173,243.20
  4. Step 4: Simplify right side
    616,532.80x = 160,215,172,765.44
  5. Step 5: Solve for x
    x = 160,215,172,765.44/616,532.80
  6. Step 6: Final answer
    x = 259,864.80

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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.