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Finding the Fourth Proportional to 591.86, 885.62 and 560.17

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Solution

The fourth proportional to 591.86, 885.62 and 560.17 is: 838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.86 : 885.62 = 560.17 : x
  2. Step 2: Convert to fraction form
    591.86/885.62 = 560.17/x
  3. Step 3: Cross multiply
    591.86x = 885.62 × 560.17
  4. Step 4: Simplify right side
    591.86x = 496,092.74
  5. Step 5: Solve for x
    x = 496,092.74/591.86
  6. Step 6: Final answer
    x = 838.20

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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.