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Finding the Fourth Proportional to 247,456.69, 341,491.14 and 134,279.44

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Solution

The fourth proportional to 247,456.69, 341,491.14 and 134,279.44 is: 185,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,456.69 : 341,491.14 = 134,279.44 : x
  2. Step 2: Convert to fraction form
    247,456.69/341,491.14 = 134,279.44/x
  3. Step 3: Cross multiply
    247,456.69x = 341,491.14 × 134,279.44
  4. Step 4: Simplify right side
    247,456.69x = 45,855,238,190.43
  5. Step 5: Solve for x
    x = 45,855,238,190.43/247,456.69
  6. Step 6: Final answer
    x = 185,306.12

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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.