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Finding the Fourth Proportional to 273,886.40, 410,829.60 and 168,363.20

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Solution

The fourth proportional to 273,886.40, 410,829.60 and 168,363.20 is: 252,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,886.40 : 410,829.60 = 168,363.20 : x
  2. Step 2: Convert to fraction form
    273,886.40/410,829.60 = 168,363.20/x
  3. Step 3: Cross multiply
    273,886.40x = 410,829.60 × 168,363.20
  4. Step 4: Simplify right side
    273,886.40x = 69,168,586,110.72
  5. Step 5: Solve for x
    x = 69,168,586,110.72/273,886.40
  6. Step 6: Final answer
    x = 252,544.80

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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.