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Finding the Fourth Proportional to 925.42, 1,277.16 and 532.58

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Solution

The fourth proportional to 925.42, 1,277.16 and 532.58 is: 735.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.42 : 1,277.16 = 532.58 : x
  2. Step 2: Convert to fraction form
    925.42/1,277.16 = 532.58/x
  3. Step 3: Cross multiply
    925.42x = 1,277.16 × 532.58
  4. Step 4: Simplify right side
    925.42x = 680,189.87
  5. Step 5: Solve for x
    x = 680,189.87/925.42
  6. Step 6: Final answer
    x = 735.01

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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.