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Finding the Fourth Proportional to 247,456.94, 341,491.50 and 134,279.68

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Solution

The fourth proportional to 247,456.94, 341,491.50 and 134,279.68 is: 185,306.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,456.94 : 341,491.50 = 134,279.68 : x
  2. Step 2: Convert to fraction form
    247,456.94/341,491.50 = 134,279.68/x
  3. Step 3: Cross multiply
    247,456.94x = 341,491.50 × 134,279.68
  4. Step 4: Simplify right side
    247,456.94x = 45,855,369,342.72
  5. Step 5: Solve for x
    x = 45,855,369,342.72/247,456.94
  6. Step 6: Final answer
    x = 185,306.46

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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.