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Finding the Fourth Proportional to 587.10, 881.51 and 576.73

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Solution

The fourth proportional to 587.10, 881.51 and 576.73 is: 865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.10 : 881.51 = 576.73 : x
  2. Step 2: Convert to fraction form
    587.10/881.51 = 576.73/x
  3. Step 3: Cross multiply
    587.10x = 881.51 × 576.73
  4. Step 4: Simplify right side
    587.10x = 508,385.97
  5. Step 5: Solve for x
    x = 508,385.97/587.10
  6. Step 6: Final answer
    x = 865.93

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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.