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Finding the Fourth Proportional to 347,960.52, 480,456.90 and 267,260.22

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Solution

The fourth proportional to 347,960.52, 480,456.90 and 267,260.22 is: 369,027.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,960.52 : 480,456.90 = 267,260.22 : x
  2. Step 2: Convert to fraction form
    347,960.52/480,456.90 = 267,260.22/x
  3. Step 3: Cross multiply
    347,960.52x = 480,456.90 × 267,260.22
  4. Step 4: Simplify right side
    347,960.52x = 128,407,016,794.52
  5. Step 5: Solve for x
    x = 128,407,016,794.52/347,960.52
  6. Step 6: Final answer
    x = 369,027.55

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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.