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Finding the Fourth Proportional to 273,958.40, 410,937.60 and 189,452.72

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Solution

The fourth proportional to 273,958.40, 410,937.60 and 189,452.72 is: 284,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,958.40 : 410,937.60 = 189,452.72 : x
  2. Step 2: Convert to fraction form
    273,958.40/410,937.60 = 189,452.72/x
  3. Step 3: Cross multiply
    273,958.40x = 410,937.60 × 189,452.72
  4. Step 4: Simplify right side
    273,958.40x = 77,853,246,070.27
  5. Step 5: Solve for x
    x = 77,853,246,070.27/273,958.40
  6. Step 6: Final answer
    x = 284,179.08

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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.