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Finding the Fourth Proportional to 273,454.40, 410,181.60 and 218,158.40

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Solution

The fourth proportional to 273,454.40, 410,181.60 and 218,158.40 is: 327,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,454.40 : 410,181.60 = 218,158.40 : x
  2. Step 2: Convert to fraction form
    273,454.40/410,181.60 = 218,158.40/x
  3. Step 3: Cross multiply
    273,454.40x = 410,181.60 × 218,158.40
  4. Step 4: Simplify right side
    273,454.40x = 89,484,561,565.44
  5. Step 5: Solve for x
    x = 89,484,561,565.44/273,454.40
  6. Step 6: Final answer
    x = 327,237.60

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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.