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Finding the Fourth Proportional to 498.37, 747.52 and 151.69

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Solution

The fourth proportional to 498.37, 747.52 and 151.69 is: 227.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    498.37 : 747.52 = 151.69 : x
  2. Step 2: Convert to fraction form
    498.37/747.52 = 151.69/x
  3. Step 3: Cross multiply
    498.37x = 747.52 × 151.69
  4. Step 4: Simplify right side
    498.37x = 113,391.31
  5. Step 5: Solve for x
    x = 113,391.31/498.37
  6. Step 6: Final answer
    x = 227.52

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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.