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Finding the Fourth Proportional to 591.66, 885.69 and 374.58

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Solution

The fourth proportional to 591.66, 885.69 and 374.58 is: 560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.66 : 885.69 = 374.58 : x
  2. Step 2: Convert to fraction form
    591.66/885.69 = 374.58/x
  3. Step 3: Cross multiply
    591.66x = 885.69 × 374.58
  4. Step 4: Simplify right side
    591.66x = 331,761.76
  5. Step 5: Solve for x
    x = 331,761.76/591.66
  6. Step 6: Final answer
    x = 560.73

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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.