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Finding the Fourth Proportional to 408,348.27, 563,437.62 and 238,549.59

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Solution

The fourth proportional to 408,348.27, 563,437.62 and 238,549.59 is: 329,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,348.27 : 563,437.62 = 238,549.59 : x
  2. Step 2: Convert to fraction form
    408,348.27/563,437.62 = 238,549.59/x
  3. Step 3: Cross multiply
    408,348.27x = 563,437.62 × 238,549.59
  4. Step 4: Simplify right side
    408,348.27x = 134,407,813,241.58
  5. Step 5: Solve for x
    x = 134,407,813,241.58/408,348.27
  6. Step 6: Final answer
    x = 329,149.95

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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.