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Finding the Fourth Proportional to 481,062.12, 663,855.80 and 266,202.06

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Solution

The fourth proportional to 481,062.12, 663,855.80 and 266,202.06 is: 367,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,062.12 : 663,855.80 = 266,202.06 : x
  2. Step 2: Convert to fraction form
    481,062.12/663,855.80 = 266,202.06/x
  3. Step 3: Cross multiply
    481,062.12x = 663,855.80 × 266,202.06
  4. Step 4: Simplify right side
    481,062.12x = 176,719,780,171.94
  5. Step 5: Solve for x
    x = 176,719,780,171.94/481,062.12
  6. Step 6: Final answer
    x = 367,353.35

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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.