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Finding the Fourth Proportional to 925.55, 1,277.18 and 532.60

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Solution

The fourth proportional to 925.55, 1,277.18 and 532.60 is: 734.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.55 : 1,277.18 = 532.60 : x
  2. Step 2: Convert to fraction form
    925.55/1,277.18 = 532.60/x
  3. Step 3: Cross multiply
    925.55x = 1,277.18 × 532.60
  4. Step 4: Simplify right side
    925.55x = 680,225.21
  5. Step 5: Solve for x
    x = 680,225.21/925.55
  6. Step 6: Final answer
    x = 734.94

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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.