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Finding the Fourth Proportional to 329,131.07, 454,200.87 and 178,228.07

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Solution

The fourth proportional to 329,131.07, 454,200.87 and 178,228.07 is: 245,954.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,131.07 : 454,200.87 = 178,228.07 : x
  2. Step 2: Convert to fraction form
    329,131.07/454,200.87 = 178,228.07/x
  3. Step 3: Cross multiply
    329,131.07x = 454,200.87 × 178,228.07
  4. Step 4: Simplify right side
    329,131.07x = 80,951,341,290.28
  5. Step 5: Solve for x
    x = 80,951,341,290.28/329,131.07
  6. Step 6: Final answer
    x = 245,954.73

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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.