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Finding the Fourth Proportional to 273,372.40, 410,123.40 and 140,273.20

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Solution

The fourth proportional to 273,372.40, 410,123.40 and 140,273.20 is: 210,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,372.40 : 410,123.40 = 140,273.20 : x
  2. Step 2: Convert to fraction form
    273,372.40/410,123.40 = 140,273.20/x
  3. Step 3: Cross multiply
    273,372.40x = 410,123.40 × 140,273.20
  4. Step 4: Simplify right side
    273,372.40x = 57,529,321,712.88
  5. Step 5: Solve for x
    x = 57,529,321,712.88/273,372.40
  6. Step 6: Final answer
    x = 210,443.05

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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.