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Finding the Fourth Proportional to 732.57, 1,092.52 and 623.55

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Solution

The fourth proportional to 732.57, 1,092.52 and 623.55 is: 929.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    732.57 : 1,092.52 = 623.55 : x
  2. Step 2: Convert to fraction form
    732.57/1,092.52 = 623.55/x
  3. Step 3: Cross multiply
    732.57x = 1,092.52 × 623.55
  4. Step 4: Simplify right side
    732.57x = 681,240.85
  5. Step 5: Solve for x
    x = 681,240.85/732.57
  6. Step 6: Final answer
    x = 929.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.