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Finding the Fourth Proportional to 273,780.80, 410,671.20 and 168,257.60

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Solution

The fourth proportional to 273,780.80, 410,671.20 and 168,257.60 is: 252,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,780.80 : 410,671.20 = 168,257.60 : x
  2. Step 2: Convert to fraction form
    273,780.80/410,671.20 = 168,257.60/x
  3. Step 3: Cross multiply
    273,780.80x = 410,671.20 × 168,257.60
  4. Step 4: Simplify right side
    273,780.80x = 69,098,550,501.12
  5. Step 5: Solve for x
    x = 69,098,550,501.12/273,780.80
  6. Step 6: Final answer
    x = 252,386.40

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1.5x scale

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.