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Finding the Fourth Proportional to 542,481.01, 813,879.51 and 242,891.52

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Solution

The fourth proportional to 542,481.01, 813,879.51 and 242,891.52 is: 364,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,481.01 : 813,879.51 = 242,891.52 : x
  2. Step 2: Convert to fraction form
    542,481.01/813,879.51 = 242,891.52/x
  3. Step 3: Cross multiply
    542,481.01x = 813,879.51 × 242,891.52
  4. Step 4: Simplify right side
    542,481.01x = 197,684,431,280.76
  5. Step 5: Solve for x
    x = 197,684,431,280.76/542,481.01
  6. Step 6: Final answer
    x = 364,408.02

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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.