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Finding the Fourth Proportional to 892.26, 1,337.99 and 502.25

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Solution

The fourth proportional to 892.26, 1,337.99 and 502.25 is: 753.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    892.26 : 1,337.99 = 502.25 : x
  2. Step 2: Convert to fraction form
    892.26/1,337.99 = 502.25/x
  3. Step 3: Cross multiply
    892.26x = 1,337.99 × 502.25
  4. Step 4: Simplify right side
    892.26x = 671,996.28
  5. Step 5: Solve for x
    x = 671,996.28/892.26
  6. Step 6: Final answer
    x = 753.14

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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.