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Finding the Fourth Proportional to 481,152.88, 663,921.46 and 266,292.43

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Solution

The fourth proportional to 481,152.88, 663,921.46 and 266,292.43 is: 367,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,152.88 : 663,921.46 = 266,292.43 : x
  2. Step 2: Convert to fraction form
    481,152.88/663,921.46 = 266,292.43/x
  3. Step 3: Cross multiply
    481,152.88x = 663,921.46 × 266,292.43
  4. Step 4: Simplify right side
    481,152.88x = 176,797,258,912.55
  5. Step 5: Solve for x
    x = 176,797,258,912.55/481,152.88
  6. Step 6: Final answer
    x = 367,445.08

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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.