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Finding the Fourth Proportional to 342,761.65, 473,015.97 and 197,487.29

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Solution

The fourth proportional to 342,761.65, 473,015.97 and 197,487.29 is: 272,535.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,761.65 : 473,015.97 = 197,487.29 : x
  2. Step 2: Convert to fraction form
    342,761.65/473,015.97 = 197,487.29/x
  3. Step 3: Cross multiply
    342,761.65x = 473,015.97 × 197,487.29
  4. Step 4: Simplify right side
    342,761.65x = 93,414,643,224.56
  5. Step 5: Solve for x
    x = 93,414,643,224.56/342,761.65
  6. Step 6: Final answer
    x = 272,535.28

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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.