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Finding the Fourth Proportional to 269,593.70, 404,390.55 and 239,267.30

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Solution

The fourth proportional to 269,593.70, 404,390.55 and 239,267.30 is: 358,900.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,593.70 : 404,390.55 = 239,267.30 : x
  2. Step 2: Convert to fraction form
    269,593.70/404,390.55 = 239,267.30/x
  3. Step 3: Cross multiply
    269,593.70x = 404,390.55 × 239,267.30
  4. Step 4: Simplify right side
    269,593.70x = 96,757,435,044.02
  5. Step 5: Solve for x
    x = 96,757,435,044.02/269,593.70
  6. Step 6: Final answer
    x = 358,900.95

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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.