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Finding the Fourth Proportional to 270,006.40, 404,892.96 and 82,974.16

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Solution

The fourth proportional to 270,006.40, 404,892.96 and 82,974.16 is: 124,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,006.40 : 404,892.96 = 82,974.16 : x
  2. Step 2: Convert to fraction form
    270,006.40/404,892.96 = 82,974.16/x
  3. Step 3: Cross multiply
    270,006.40x = 404,892.96 × 82,974.16
  4. Step 4: Simplify right side
    270,006.40x = 33,595,653,245.91
  5. Step 5: Solve for x
    x = 33,595,653,245.91/270,006.40
  6. Step 6: Final answer
    x = 124,425.40

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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.