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Finding the Fourth Proportional to 732,345.52, 1,098,408.84 and 252,648.88

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Solution

The fourth proportional to 732,345.52, 1,098,408.84 and 252,648.88 is: 378,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,345.52 : 1,098,408.84 = 252,648.88 : x
  2. Step 2: Convert to fraction form
    732,345.52/1,098,408.84 = 252,648.88/x
  3. Step 3: Cross multiply
    732,345.52x = 1,098,408.84 × 252,648.88
  4. Step 4: Simplify right side
    732,345.52x = 277,511,763,208.10
  5. Step 5: Solve for x
    x = 277,511,763,208.10/732,345.52
  6. Step 6: Final answer
    x = 378,935.56

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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.