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Finding the Fourth Proportional to 341,417.28, 471,085.56 and 196,194.96

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Solution

The fourth proportional to 341,417.28, 471,085.56 and 196,194.96 is: 270,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,417.28 : 471,085.56 = 196,194.96 : x
  2. Step 2: Convert to fraction form
    341,417.28/471,085.56 = 196,194.96/x
  3. Step 3: Cross multiply
    341,417.28x = 471,085.56 × 196,194.96
  4. Step 4: Simplify right side
    341,417.28x = 92,424,612,600.78
  5. Step 5: Solve for x
    x = 92,424,612,600.78/341,417.28
  6. Step 6: Final answer
    x = 270,708.65

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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.