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Finding the Fourth Proportional to 542,536.52, 813,849.03 and 272,525.76

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Solution

The fourth proportional to 542,536.52, 813,849.03 and 272,525.76 is: 408,810.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,536.52 : 813,849.03 = 272,525.76 : x
  2. Step 2: Convert to fraction form
    542,536.52/813,849.03 = 272,525.76/x
  3. Step 3: Cross multiply
    542,536.52x = 813,849.03 × 272,525.76
  4. Step 4: Simplify right side
    542,536.52x = 221,794,825,426.01
  5. Step 5: Solve for x
    x = 221,794,825,426.01/542,536.52
  6. Step 6: Final answer
    x = 408,810.87

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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.