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Finding the Fourth Proportional to 362,138.61, 499,843.15 and 247,463.67

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Solution

The fourth proportional to 362,138.61, 499,843.15 and 247,463.67 is: 341,562.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,138.61 : 499,843.15 = 247,463.67 : x
  2. Step 2: Convert to fraction form
    362,138.61/499,843.15 = 247,463.67/x
  3. Step 3: Cross multiply
    362,138.61x = 499,843.15 × 247,463.67
  4. Step 4: Simplify right side
    362,138.61x = 123,693,020,323.36
  5. Step 5: Solve for x
    x = 123,693,020,323.36/362,138.61
  6. Step 6: Final answer
    x = 341,562.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.