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Finding the Fourth Proportional to 492,751.20, 739,126.80 and 177,167.10

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Solution

The fourth proportional to 492,751.20, 739,126.80 and 177,167.10 is: 265,750.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,751.20 : 739,126.80 = 177,167.10 : x
  2. Step 2: Convert to fraction form
    492,751.20/739,126.80 = 177,167.10/x
  3. Step 3: Cross multiply
    492,751.20x = 739,126.80 × 177,167.10
  4. Step 4: Simplify right side
    492,751.20x = 130,948,951,688.28
  5. Step 5: Solve for x
    x = 130,948,951,688.28/492,751.20
  6. Step 6: Final answer
    x = 265,750.65

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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.