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Finding the Fourth Proportional to 481,888.80, 665,053.20 and 267,098.40

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Solution

The fourth proportional to 481,888.80, 665,053.20 and 267,098.40 is: 368,621.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,888.80 : 665,053.20 = 267,098.40 : x
  2. Step 2: Convert to fraction form
    481,888.80/665,053.20 = 267,098.40/x
  3. Step 3: Cross multiply
    481,888.80x = 665,053.20 × 267,098.40
  4. Step 4: Simplify right side
    481,888.80x = 177,634,645,634.88
  5. Step 5: Solve for x
    x = 177,634,645,634.88/481,888.80
  6. Step 6: Final answer
    x = 368,621.65

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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.