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Finding the Fourth Proportional to 433,414.98, 650,184.66 and 133,921.71

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Solution

The fourth proportional to 433,414.98, 650,184.66 and 133,921.71 is: 200,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,414.98 : 650,184.66 = 133,921.71 : x
  2. Step 2: Convert to fraction form
    433,414.98/650,184.66 = 133,921.71/x
  3. Step 3: Cross multiply
    433,414.98x = 650,184.66 × 133,921.71
  4. Step 4: Simplify right side
    433,414.98x = 87,073,841,482.97
  5. Step 5: Solve for x
    x = 87,073,841,482.97/433,414.98
  6. Step 6: Final answer
    x = 200,901.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.