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Finding the Fourth Proportional to 341,648.52, 471,439.20 and 198,380.64

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Solution

The fourth proportional to 341,648.52, 471,439.20 and 198,380.64 is: 273,744.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,648.52 : 471,439.20 = 198,380.64 : x
  2. Step 2: Convert to fraction form
    341,648.52/471,439.20 = 198,380.64/x
  3. Step 3: Cross multiply
    341,648.52x = 471,439.20 × 198,380.64
  4. Step 4: Simplify right side
    341,648.52x = 93,524,410,217.09
  5. Step 5: Solve for x
    x = 93,524,410,217.09/341,648.52
  6. Step 6: Final answer
    x = 273,744.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.