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Finding the Fourth Proportional to 588.48, 881.28 and 576.96

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Solution

The fourth proportional to 588.48, 881.28 and 576.96 is: 864.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.48 : 881.28 = 576.96 : x
  2. Step 2: Convert to fraction form
    588.48/881.28 = 576.96/x
  3. Step 3: Cross multiply
    588.48x = 881.28 × 576.96
  4. Step 4: Simplify right side
    588.48x = 508,463.31
  5. Step 5: Solve for x
    x = 508,463.31/588.48
  6. Step 6: Final answer
    x = 864.03

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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.