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Finding the Fourth Proportional to 448,494.60, 618,919.20 and 244,549.02

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Solution

The fourth proportional to 448,494.60, 618,919.20 and 244,549.02 is: 337,475.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,494.60 : 618,919.20 = 244,549.02 : x
  2. Step 2: Convert to fraction form
    448,494.60/618,919.20 = 244,549.02/x
  3. Step 3: Cross multiply
    448,494.60x = 618,919.20 × 244,549.02
  4. Step 4: Simplify right side
    448,494.60x = 151,356,083,819.18
  5. Step 5: Solve for x
    x = 151,356,083,819.18/448,494.60
  6. Step 6: Final answer
    x = 337,475.82

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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.