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Finding the Fourth Proportional to 925.26, 1,388.61 and 600.54

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Solution

The fourth proportional to 925.26, 1,388.61 and 600.54 is: 901.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.26 : 1,388.61 = 600.54 : x
  2. Step 2: Convert to fraction form
    925.26/1,388.61 = 600.54/x
  3. Step 3: Cross multiply
    925.26x = 1,388.61 × 600.54
  4. Step 4: Simplify right side
    925.26x = 833,915.85
  5. Step 5: Solve for x
    x = 833,915.85/925.26
  6. Step 6: Final answer
    x = 901.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.