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Finding the Fourth Proportional to 448,468.50, 618,891.37 and 244,517.76

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Solution

The fourth proportional to 448,468.50, 618,891.37 and 244,517.76 is: 337,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,468.50 : 618,891.37 = 244,517.76 : x
  2. Step 2: Convert to fraction form
    448,468.50/618,891.37 = 244,517.76/x
  3. Step 3: Cross multiply
    448,468.50x = 618,891.37 × 244,517.76
  4. Step 4: Simplify right side
    448,468.50x = 151,329,931,475.73
  5. Step 5: Solve for x
    x = 151,329,931,475.73/448,468.50
  6. Step 6: Final answer
    x = 337,437.15

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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.