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Finding the Fourth Proportional to 362,697.60, 543,787.20 and 162,854.40

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Solution

The fourth proportional to 362,697.60, 543,787.20 and 162,854.40 is: 244,165.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,697.60 : 543,787.20 = 162,854.40 : x
  2. Step 2: Convert to fraction form
    362,697.60/543,787.20 = 162,854.40/x
  3. Step 3: Cross multiply
    362,697.60x = 543,787.20 × 162,854.40
  4. Step 4: Simplify right side
    362,697.60x = 88,558,138,183.68
  5. Step 5: Solve for x
    x = 88,558,138,183.68/362,697.60
  6. Step 6: Final answer
    x = 244,165.22

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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.