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Finding the Fourth Proportional to 669.62, 1,001.32 and 596.93

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Solution

The fourth proportional to 669.62, 1,001.32 and 596.93 is: 892.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    669.62 : 1,001.32 = 596.93 : x
  2. Step 2: Convert to fraction form
    669.62/1,001.32 = 596.93/x
  3. Step 3: Cross multiply
    669.62x = 1,001.32 × 596.93
  4. Step 4: Simplify right side
    669.62x = 597,711.45
  5. Step 5: Solve for x
    x = 597,711.45/669.62
  6. Step 6: Final answer
    x = 892.61

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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.