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Finding the Fourth Proportional to 481,711.98, 664,800.03 and 266,871.90

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Solution

The fourth proportional to 481,711.98, 664,800.03 and 266,871.90 is: 368,304.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,711.98 : 664,800.03 = 266,871.90 : x
  2. Step 2: Convert to fraction form
    481,711.98/664,800.03 = 266,871.90/x
  3. Step 3: Cross multiply
    481,711.98x = 664,800.03 × 266,871.90
  4. Step 4: Simplify right side
    481,711.98x = 177,416,447,126.16
  5. Step 5: Solve for x
    x = 177,416,447,126.16/481,711.98
  6. Step 6: Final answer
    x = 368,304.00

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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.