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Finding the Fourth Proportional to 591.66, 886.59 and 475.56

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Solution

The fourth proportional to 591.66, 886.59 and 475.56 is: 712.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.66 : 886.59 = 475.56 : x
  2. Step 2: Convert to fraction form
    591.66/886.59 = 475.56/x
  3. Step 3: Cross multiply
    591.66x = 886.59 × 475.56
  4. Step 4: Simplify right side
    591.66x = 421,626.74
  5. Step 5: Solve for x
    x = 421,626.74/591.66
  6. Step 6: Final answer
    x = 712.62

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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.