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Finding the Fourth Proportional to 332.52, 459.12 and 239.44

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Solution

The fourth proportional to 332.52, 459.12 and 239.44 is: 330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.52 : 459.12 = 239.44 : x
  2. Step 2: Convert to fraction form
    332.52/459.12 = 239.44/x
  3. Step 3: Cross multiply
    332.52x = 459.12 × 239.44
  4. Step 4: Simplify right side
    332.52x = 109,931.69
  5. Step 5: Solve for x
    x = 109,931.69/332.52
  6. Step 6: Final answer
    x = 330.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.