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Finding the Fourth Proportional to 447,948.56, 618,169.05 and 246,744.56

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Solution

The fourth proportional to 447,948.56, 618,169.05 and 246,744.56 is: 340,507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,948.56 : 618,169.05 = 246,744.56 : x
  2. Step 2: Convert to fraction form
    447,948.56/618,169.05 = 246,744.56/x
  3. Step 3: Cross multiply
    447,948.56x = 618,169.05 × 246,744.56
  4. Step 4: Simplify right side
    447,948.56x = 152,529,851,793.29
  5. Step 5: Solve for x
    x = 152,529,851,793.29/447,948.56
  6. Step 6: Final answer
    x = 340,507.51

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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.