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Finding the Fourth Proportional to 347,907.14, 480,343.13 and 267,190.44

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Solution

The fourth proportional to 347,907.14, 480,343.13 and 267,190.44 is: 368,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,907.14 : 480,343.13 = 267,190.44 : x
  2. Step 2: Convert to fraction form
    347,907.14/480,343.13 = 267,190.44/x
  3. Step 3: Cross multiply
    347,907.14x = 480,343.13 × 267,190.44
  4. Step 4: Simplify right side
    347,907.14x = 128,343,092,255.68
  5. Step 5: Solve for x
    x = 128,343,092,255.68/347,907.14
  6. Step 6: Final answer
    x = 368,900.43

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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.