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Finding the Fourth Proportional to 304,728.59, 457,535.76 and 225,012.44

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Solution

The fourth proportional to 304,728.59, 457,535.76 and 225,012.44 is: 337,845.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,728.59 : 457,535.76 = 225,012.44 : x
  2. Step 2: Convert to fraction form
    304,728.59/457,535.76 = 225,012.44/x
  3. Step 3: Cross multiply
    304,728.59x = 457,535.76 × 225,012.44
  4. Step 4: Simplify right side
    304,728.59x = 102,951,238,044.90
  5. Step 5: Solve for x
    x = 102,951,238,044.90/304,728.59
  6. Step 6: Final answer
    x = 337,845.68

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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.