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Finding the Fourth Proportional to 341,713.74, 471,485.16 and 198,387.48

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Solution

The fourth proportional to 341,713.74, 471,485.16 and 198,387.48 is: 273,728.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,713.74 : 471,485.16 = 198,387.48 : x
  2. Step 2: Convert to fraction form
    341,713.74/471,485.16 = 198,387.48/x
  3. Step 3: Cross multiply
    341,713.74x = 471,485.16 × 198,387.48
  4. Step 4: Simplify right side
    341,713.74x = 93,536,752,749.80
  5. Step 5: Solve for x
    x = 93,536,752,749.80/341,713.74
  6. Step 6: Final answer
    x = 273,728.39

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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.