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Finding the Fourth Proportional to 482,013.12, 665,192.64 and 267,133.12

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Solution

The fourth proportional to 482,013.12, 665,192.64 and 267,133.12 is: 368,651.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,013.12 : 665,192.64 = 267,133.12 : x
  2. Step 2: Convert to fraction form
    482,013.12/665,192.64 = 267,133.12/x
  3. Step 3: Cross multiply
    482,013.12x = 665,192.64 × 267,133.12
  4. Step 4: Simplify right side
    482,013.12x = 177,694,985,324.24
  5. Step 5: Solve for x
    x = 177,694,985,324.24/482,013.12
  6. Step 6: Final answer
    x = 368,651.76

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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.