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Finding the Fourth Proportional to 329,255.19, 454,362.82 and 193,286.97

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Solution

The fourth proportional to 329,255.19, 454,362.82 and 193,286.97 is: 266,730.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,255.19 : 454,362.82 = 193,286.97 : x
  2. Step 2: Convert to fraction form
    329,255.19/454,362.82 = 193,286.97/x
  3. Step 3: Cross multiply
    329,255.19x = 454,362.82 × 193,286.97
  4. Step 4: Simplify right side
    329,255.19x = 87,822,412,758.46
  5. Step 5: Solve for x
    x = 87,822,412,758.46/329,255.19
  6. Step 6: Final answer
    x = 266,730.53

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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.