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Finding the Fourth Proportional to 484, 725.46 and 240.27

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Solution

The fourth proportional to 484, 725.46 and 240.27 is: 360.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    484 : 725.46 = 240.27 : x
  2. Step 2: Convert to fraction form
    484/725.46 = 240.27/x
  3. Step 3: Cross multiply
    484x = 725.46 × 240.27
  4. Step 4: Simplify right side
    484x = 174,306.27
  5. Step 5: Solve for x
    x = 174,306.27/484
  6. Step 6: Final answer
    x = 360.14

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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.