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Finding the Fourth Proportional to 588.04, 881.48 and 331

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Solution

The fourth proportional to 588.04, 881.48 and 331 is: 496.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.04 : 881.48 = 331 : x
  2. Step 2: Convert to fraction form
    588.04/881.48 = 331/x
  3. Step 3: Cross multiply
    588.04x = 881.48 × 331
  4. Step 4: Simplify right side
    588.04x = 291,769.88
  5. Step 5: Solve for x
    x = 291,769.88/588.04
  6. Step 6: Final answer
    x = 496.17

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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.