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Finding the Fourth Proportional to 481,888.50, 665,020.74 and 267,008.46

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Solution

The fourth proportional to 481,888.50, 665,020.74 and 267,008.46 is: 368,479.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,888.50 : 665,020.74 = 267,008.46 : x
  2. Step 2: Convert to fraction form
    481,888.50/665,020.74 = 267,008.46/x
  3. Step 3: Cross multiply
    481,888.50x = 665,020.74 × 267,008.46
  4. Step 4: Simplify right side
    481,888.50x = 177,566,163,655.46
  5. Step 5: Solve for x
    x = 177,566,163,655.46/481,888.50
  6. Step 6: Final answer
    x = 368,479.77

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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.