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Finding the Fourth Proportional to 492,263.66, 738,520.01 and 137,277.71

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Solution

The fourth proportional to 492,263.66, 738,520.01 and 137,277.71 is: 205,951.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,263.66 : 738,520.01 = 137,277.71 : x
  2. Step 2: Convert to fraction form
    492,263.66/738,520.01 = 137,277.71/x
  3. Step 3: Cross multiply
    492,263.66x = 738,520.01 × 137,277.71
  4. Step 4: Simplify right side
    492,263.66x = 101,382,335,761.98
  5. Step 5: Solve for x
    x = 101,382,335,761.98/492,263.66
  6. Step 6: Final answer
    x = 205,951.29

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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.