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Finding the Fourth Proportional to 625.57, 862.04 and 593.22

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Solution

The fourth proportional to 625.57, 862.04 and 593.22 is: 817.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    625.57 : 862.04 = 593.22 : x
  2. Step 2: Convert to fraction form
    625.57/862.04 = 593.22/x
  3. Step 3: Cross multiply
    625.57x = 862.04 × 593.22
  4. Step 4: Simplify right side
    625.57x = 511,384.08
  5. Step 5: Solve for x
    x = 511,384.08/625.57
  6. Step 6: Final answer
    x = 817.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.