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Finding the Fourth Proportional to 490,227.27, 735,175.53 and 186,549.33

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Solution

The fourth proportional to 490,227.27, 735,175.53 and 186,549.33 is: 279,761.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,227.27 : 735,175.53 = 186,549.33 : x
  2. Step 2: Convert to fraction form
    490,227.27/735,175.53 = 186,549.33/x
  3. Step 3: Cross multiply
    490,227.27x = 735,175.53 × 186,549.33
  4. Step 4: Simplify right side
    490,227.27x = 137,146,502,553.90
  5. Step 5: Solve for x
    x = 137,146,502,553.90/490,227.27
  6. Step 6: Final answer
    x = 279,761.06

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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.