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Finding the Fourth Proportional to 593.38, 818.80 and 372.25

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Solution

The fourth proportional to 593.38, 818.80 and 372.25 is: 513.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.38 : 818.80 = 372.25 : x
  2. Step 2: Convert to fraction form
    593.38/818.80 = 372.25/x
  3. Step 3: Cross multiply
    593.38x = 818.80 × 372.25
  4. Step 4: Simplify right side
    593.38x = 304,798.30
  5. Step 5: Solve for x
    x = 304,798.30/593.38
  6. Step 6: Final answer
    x = 513.66

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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.