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Finding the Fourth Proportional to 492,295.92, 738,568.48 and 137,309.96

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Solution

The fourth proportional to 492,295.92, 738,568.48 and 137,309.96 is: 205,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,295.92 : 738,568.48 = 137,309.96 : x
  2. Step 2: Convert to fraction form
    492,295.92/738,568.48 = 137,309.96/x
  3. Step 3: Cross multiply
    492,295.92x = 738,568.48 × 137,309.96
  4. Step 4: Simplify right side
    492,295.92x = 101,412,808,446.06
  5. Step 5: Solve for x
    x = 101,412,808,446.06/492,295.92
  6. Step 6: Final answer
    x = 205,999.69

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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.