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Finding the Fourth Proportional to 269,425.50, 404,154.45 and 82,438.62

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Solution

The fourth proportional to 269,425.50, 404,154.45 and 82,438.62 is: 123,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,425.50 : 404,154.45 = 82,438.62 : x
  2. Step 2: Convert to fraction form
    269,425.50/404,154.45 = 82,438.62/x
  3. Step 3: Cross multiply
    269,425.50x = 404,154.45 × 82,438.62
  4. Step 4: Simplify right side
    269,425.50x = 33,317,935,124.86
  5. Step 5: Solve for x
    x = 33,317,935,124.86/269,425.50
  6. Step 6: Final answer
    x = 123,662.89

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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.