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Finding the Fourth Proportional to 1,414.61, 2,121.52 and 592.71

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Solution

The fourth proportional to 1,414.61, 2,121.52 and 592.71 is: 888.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414.61 : 2,121.52 = 592.71 : x
  2. Step 2: Convert to fraction form
    1,414.61/2,121.52 = 592.71/x
  3. Step 3: Cross multiply
    1,414.61x = 2,121.52 × 592.71
  4. Step 4: Simplify right side
    1,414.61x = 1,257,446.12
  5. Step 5: Solve for x
    x = 1,257,446.12/1,414.61
  6. Step 6: Final answer
    x = 888.90

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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.