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Finding the Fourth Proportional to 616,012.96, 924,052.08 and 172,815.52

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Solution

The fourth proportional to 616,012.96, 924,052.08 and 172,815.52 is: 259,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,012.96 : 924,052.08 = 172,815.52 : x
  2. Step 2: Convert to fraction form
    616,012.96/924,052.08 = 172,815.52/x
  3. Step 3: Cross multiply
    616,012.96x = 924,052.08 × 172,815.52
  4. Step 4: Simplify right side
    616,012.96x = 159,690,540,712.28
  5. Step 5: Solve for x
    x = 159,690,540,712.28/616,012.96
  6. Step 6: Final answer
    x = 259,232.44

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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.