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Finding the Fourth Proportional to 347,874.15, 480,296.61 and 267,156.84

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Solution

The fourth proportional to 347,874.15, 480,296.61 and 267,156.84 is: 368,853.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,874.15 : 480,296.61 = 267,156.84 : x
  2. Step 2: Convert to fraction form
    347,874.15/480,296.61 = 267,156.84/x
  3. Step 3: Cross multiply
    347,874.15x = 480,296.61 × 267,156.84
  4. Step 4: Simplify right side
    347,874.15x = 128,314,524,590.31
  5. Step 5: Solve for x
    x = 128,314,524,590.31/347,874.15
  6. Step 6: Final answer
    x = 368,853.29

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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.