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Finding the Fourth Proportional to 362,366.80, 543,439.47 and 172,727.25

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Solution

The fourth proportional to 362,366.80, 543,439.47 and 172,727.25 is: 259,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,366.80 : 543,439.47 = 172,727.25 : x
  2. Step 2: Convert to fraction form
    362,366.80/543,439.47 = 172,727.25/x
  3. Step 3: Cross multiply
    362,366.80x = 543,439.47 × 172,727.25
  4. Step 4: Simplify right side
    362,366.80x = 93,866,805,194.56
  5. Step 5: Solve for x
    x = 93,866,805,194.56/362,366.80
  6. Step 6: Final answer
    x = 259,038.10

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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.