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Finding the Fourth Proportional to 448,679.01, 619,184.40 and 244,729.92

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Solution

The fourth proportional to 448,679.01, 619,184.40 and 244,729.92 is: 337,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,679.01 : 619,184.40 = 244,729.92 : x
  2. Step 2: Convert to fraction form
    448,679.01/619,184.40 = 244,729.92/x
  3. Step 3: Cross multiply
    448,679.01x = 619,184.40 × 244,729.92
  4. Step 4: Simplify right side
    448,679.01x = 151,532,948,677.25
  5. Step 5: Solve for x
    x = 151,532,948,677.25/448,679.01
  6. Step 6: Final answer
    x = 337,731.31

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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.