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Finding the Fourth Proportional to 591.02, 884.48 and 475.18

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Solution

The fourth proportional to 591.02, 884.48 and 475.18 is: 711.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.02 : 884.48 = 475.18 : x
  2. Step 2: Convert to fraction form
    591.02/884.48 = 475.18/x
  3. Step 3: Cross multiply
    591.02x = 884.48 × 475.18
  4. Step 4: Simplify right side
    591.02x = 420,287.21
  5. Step 5: Solve for x
    x = 420,287.21/591.02
  6. Step 6: Final answer
    x = 711.12

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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.