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Finding the Fourth Proportional to 448,211.88, 618,532.38 and 244,262.88

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Solution

The fourth proportional to 448,211.88, 618,532.38 and 244,262.88 is: 337,082.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,211.88 : 618,532.38 = 244,262.88 : x
  2. Step 2: Convert to fraction form
    448,211.88/618,532.38 = 244,262.88/x
  3. Step 3: Cross multiply
    448,211.88x = 618,532.38 × 244,262.88
  4. Step 4: Simplify right side
    448,211.88x = 151,084,500,512.05
  5. Step 5: Solve for x
    x = 151,084,500,512.05/448,211.88
  6. Step 6: Final answer
    x = 337,082.77

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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.