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Finding the Fourth Proportional to 925.25, 1,276.74 and 532.26

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Solution

The fourth proportional to 925.25, 1,276.74 and 532.26 is: 734.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.25 : 1,276.74 = 532.26 : x
  2. Step 2: Convert to fraction form
    925.25/1,276.74 = 532.26/x
  3. Step 3: Cross multiply
    925.25x = 1,276.74 × 532.26
  4. Step 4: Simplify right side
    925.25x = 679,557.63
  5. Step 5: Solve for x
    x = 679,557.63/925.25
  6. Step 6: Final answer
    x = 734.46

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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.