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Finding the Fourth Proportional to 925.84, 1,277.29 and 532.65

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Solution

The fourth proportional to 925.84, 1,277.29 and 532.65 is: 734.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.84 : 1,277.29 = 532.65 : x
  2. Step 2: Convert to fraction form
    925.84/1,277.29 = 532.65/x
  3. Step 3: Cross multiply
    925.84x = 1,277.29 × 532.65
  4. Step 4: Simplify right side
    925.84x = 680,348.52
  5. Step 5: Solve for x
    x = 680,348.52/925.84
  6. Step 6: Final answer
    x = 734.84

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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.