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Finding the Fourth Proportional to 341,657.92, 511,689.24 and 270,099.70

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Solution

The fourth proportional to 341,657.92, 511,689.24 and 270,099.70 is: 404,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,657.92 : 511,689.24 = 270,099.70 : x
  2. Step 2: Convert to fraction form
    341,657.92/511,689.24 = 270,099.70/x
  3. Step 3: Cross multiply
    341,657.92x = 511,689.24 × 270,099.70
  4. Step 4: Simplify right side
    341,657.92x = 138,207,110,217.23
  5. Step 5: Solve for x
    x = 138,207,110,217.23/341,657.92
  6. Step 6: Final answer
    x = 404,518.97

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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.