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Finding the Fourth Proportional to 270,609.28, 373,441.28 and 149,755.68

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Solution

The fourth proportional to 270,609.28, 373,441.28 and 149,755.68 is: 206,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,609.28 : 373,441.28 = 149,755.68 : x
  2. Step 2: Convert to fraction form
    270,609.28/373,441.28 = 149,755.68/x
  3. Step 3: Cross multiply
    270,609.28x = 373,441.28 × 149,755.68
  4. Step 4: Simplify right side
    270,609.28x = 55,924,952,826.47
  5. Step 5: Solve for x
    x = 55,924,952,826.47/270,609.28
  6. Step 6: Final answer
    x = 206,663.10

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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.