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Finding the Fourth Proportional to 614.74, 922.26 and 249.58

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Solution

The fourth proportional to 614.74, 922.26 and 249.58 is: 374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.74 : 922.26 = 249.58 : x
  2. Step 2: Convert to fraction form
    614.74/922.26 = 249.58/x
  3. Step 3: Cross multiply
    614.74x = 922.26 × 249.58
  4. Step 4: Simplify right side
    614.74x = 230,177.65
  5. Step 5: Solve for x
    x = 230,177.65/614.74
  6. Step 6: Final answer
    x = 374.43

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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.