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Finding the Fourth Proportional to 610,456.59, 915,560.19 and 231,246.58

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Solution

The fourth proportional to 610,456.59, 915,560.19 and 231,246.58 is: 346,822.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,456.59 : 915,560.19 = 231,246.58 : x
  2. Step 2: Convert to fraction form
    610,456.59/915,560.19 = 231,246.58/x
  3. Step 3: Cross multiply
    610,456.59x = 915,560.19 × 231,246.58
  4. Step 4: Simplify right side
    610,456.59x = 211,720,162,721.65
  5. Step 5: Solve for x
    x = 211,720,162,721.65/610,456.59
  6. Step 6: Final answer
    x = 346,822.63

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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.