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Finding the Fourth Proportional to 366,624.43, 506,012.67 and 239,078.59

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Solution

The fourth proportional to 366,624.43, 506,012.67 and 239,078.59 is: 329,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,624.43 : 506,012.67 = 239,078.59 : x
  2. Step 2: Convert to fraction form
    366,624.43/506,012.67 = 239,078.59/x
  3. Step 3: Cross multiply
    366,624.43x = 506,012.67 × 239,078.59
  4. Step 4: Simplify right side
    366,624.43x = 120,976,794,400.70
  5. Step 5: Solve for x
    x = 120,976,794,400.70/366,624.43
  6. Step 6: Final answer
    x = 329,974.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.