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Finding the Fourth Proportional to 332.19, 497.91 and 169.53

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Solution

The fourth proportional to 332.19, 497.91 and 169.53 is: 254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.19 : 497.91 = 169.53 : x
  2. Step 2: Convert to fraction form
    332.19/497.91 = 169.53/x
  3. Step 3: Cross multiply
    332.19x = 497.91 × 169.53
  4. Step 4: Simplify right side
    332.19x = 84,410.68
  5. Step 5: Solve for x
    x = 84,410.68/332.19
  6. Step 6: Final answer
    x = 254.10

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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.