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Finding the Fourth Proportional to 463,279.52, 694,847.52 and 126,347.57

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Solution

The fourth proportional to 463,279.52, 694,847.52 and 126,347.57 is: 189,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,279.52 : 694,847.52 = 126,347.57 : x
  2. Step 2: Convert to fraction form
    463,279.52/694,847.52 = 126,347.57/x
  3. Step 3: Cross multiply
    463,279.52x = 694,847.52 × 126,347.57
  4. Step 4: Simplify right side
    463,279.52x = 87,792,294,803.97
  5. Step 5: Solve for x
    x = 87,792,294,803.97/463,279.52
  6. Step 6: Final answer
    x = 189,501.78

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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.