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Finding the Fourth Proportional to 481,014.48, 663,800.76 and 266,163.60

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Solution

The fourth proportional to 481,014.48, 663,800.76 and 266,163.60 is: 367,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,014.48 : 663,800.76 = 266,163.60 : x
  2. Step 2: Convert to fraction form
    481,014.48/663,800.76 = 266,163.60/x
  3. Step 3: Cross multiply
    481,014.48x = 663,800.76 × 266,163.60
  4. Step 4: Simplify right side
    481,014.48x = 176,679,599,964.34
  5. Step 5: Solve for x
    x = 176,679,599,964.34/481,014.48
  6. Step 6: Final answer
    x = 367,306.20

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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.