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Finding the Fourth Proportional to 542,464.80, 813,697.13 and 182,605.43

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Solution

The fourth proportional to 542,464.80, 813,697.13 and 182,605.43 is: 273,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,464.80 : 813,697.13 = 182,605.43 : x
  2. Step 2: Convert to fraction form
    542,464.80/813,697.13 = 182,605.43/x
  3. Step 3: Cross multiply
    542,464.80x = 813,697.13 × 182,605.43
  4. Step 4: Simplify right side
    542,464.80x = 148,585,509,331.90
  5. Step 5: Solve for x
    x = 148,585,509,331.90/542,464.80
  6. Step 6: Final answer
    x = 273,908.11

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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.