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Finding the Fourth Proportional to 925.05, 1,276.56 and 532.07

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Solution

The fourth proportional to 925.05, 1,276.56 and 532.07 is: 734.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.05 : 1,276.56 = 532.07 : x
  2. Step 2: Convert to fraction form
    925.05/1,276.56 = 532.07/x
  3. Step 3: Cross multiply
    925.05x = 1,276.56 × 532.07
  4. Step 4: Simplify right side
    925.05x = 679,212.90
  5. Step 5: Solve for x
    x = 679,212.90/925.05
  6. Step 6: Final answer
    x = 734.24

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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.