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Finding the Fourth Proportional to 587.52, 881.60 and 331.04

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Solution

The fourth proportional to 587.52, 881.60 and 331.04 is: 496.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.52 : 881.60 = 331.04 : x
  2. Step 2: Convert to fraction form
    587.52/881.60 = 331.04/x
  3. Step 3: Cross multiply
    587.52x = 881.60 × 331.04
  4. Step 4: Simplify right side
    587.52x = 291,844.86
  5. Step 5: Solve for x
    x = 291,844.86/587.52
  6. Step 6: Final answer
    x = 496.74

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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.