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Finding the Fourth Proportional to 276,716.60, 415,074.90 and 244,057.40

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Solution

The fourth proportional to 276,716.60, 415,074.90 and 244,057.40 is: 366,086.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,716.60 : 415,074.90 = 244,057.40 : x
  2. Step 2: Convert to fraction form
    276,716.60/415,074.90 = 244,057.40/x
  3. Step 3: Cross multiply
    276,716.60x = 415,074.90 × 244,057.40
  4. Step 4: Simplify right side
    276,716.60x = 101,302,100,899.26
  5. Step 5: Solve for x
    x = 101,302,100,899.26/276,716.60
  6. Step 6: Final answer
    x = 366,086.10

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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.