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Finding the Fourth Proportional to 347,954.85, 480,408.98 and 267,238.13

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Solution

The fourth proportional to 347,954.85, 480,408.98 and 267,238.13 is: 368,966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,954.85 : 480,408.98 = 267,238.13 : x
  2. Step 2: Convert to fraction form
    347,954.85/480,408.98 = 267,238.13/x
  3. Step 3: Cross multiply
    347,954.85x = 480,408.98 × 267,238.13
  4. Step 4: Simplify right side
    347,954.85x = 128,383,593,712.17
  5. Step 5: Solve for x
    x = 128,383,593,712.17/347,954.85
  6. Step 6: Final answer
    x = 368,966.24

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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.