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Finding the Fourth Proportional to 925.24, 1,276.78 and 532.27

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Solution

The fourth proportional to 925.24, 1,276.78 and 532.27 is: 734.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.24 : 1,276.78 = 532.27 : x
  2. Step 2: Convert to fraction form
    925.24/1,276.78 = 532.27/x
  3. Step 3: Cross multiply
    925.24x = 1,276.78 × 532.27
  4. Step 4: Simplify right side
    925.24x = 679,591.69
  5. Step 5: Solve for x
    x = 679,591.69/925.24
  6. Step 6: Final answer
    x = 734.50

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1.5x scale

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.