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Finding the Fourth Proportional to 273,171.60, 409,757.40 and 147,200.40

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Solution

The fourth proportional to 273,171.60, 409,757.40 and 147,200.40 is: 220,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,171.60 : 409,757.40 = 147,200.40 : x
  2. Step 2: Convert to fraction form
    273,171.60/409,757.40 = 147,200.40/x
  3. Step 3: Cross multiply
    273,171.60x = 409,757.40 × 147,200.40
  4. Step 4: Simplify right side
    273,171.60x = 60,316,453,182.96
  5. Step 5: Solve for x
    x = 60,316,453,182.96/273,171.60
  6. Step 6: Final answer
    x = 220,800.60

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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.