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Finding the Fourth Proportional to 360,876.38, 498,010.48 and 199,742.62

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Solution

The fourth proportional to 360,876.38, 498,010.48 and 199,742.62 is: 275,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,876.38 : 498,010.48 = 199,742.62 : x
  2. Step 2: Convert to fraction form
    360,876.38/498,010.48 = 199,742.62/x
  3. Step 3: Cross multiply
    360,876.38x = 498,010.48 × 199,742.62
  4. Step 4: Simplify right side
    360,876.38x = 99,473,918,062.66
  5. Step 5: Solve for x
    x = 99,473,918,062.66/360,876.38
  6. Step 6: Final answer
    x = 275,645.41

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1.5x scale

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.