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Finding the Fourth Proportional to 362,157.22, 543,769.08 and 202,545.87

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Solution

The fourth proportional to 362,157.22, 543,769.08 and 202,545.87 is: 304,117.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,157.22 : 543,769.08 = 202,545.87 : x
  2. Step 2: Convert to fraction form
    362,157.22/543,769.08 = 202,545.87/x
  3. Step 3: Cross multiply
    362,157.22x = 543,769.08 × 202,545.87
  4. Step 4: Simplify right side
    362,157.22x = 110,138,181,387.70
  5. Step 5: Solve for x
    x = 110,138,181,387.70/362,157.22
  6. Step 6: Final answer
    x = 304,117.04

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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.