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Finding the Fourth Proportional to 362,025.96, 542,251.26 and 243,169.80

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Solution

The fourth proportional to 362,025.96, 542,251.26 and 243,169.80 is: 364,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,025.96 : 542,251.26 = 243,169.80 : x
  2. Step 2: Convert to fraction form
    362,025.96/542,251.26 = 243,169.80/x
  3. Step 3: Cross multiply
    362,025.96x = 542,251.26 × 243,169.80
  4. Step 4: Simplify right side
    362,025.96x = 131,859,130,443.95
  5. Step 5: Solve for x
    x = 131,859,130,443.95/362,025.96
  6. Step 6: Final answer
    x = 364,225.62

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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.