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Finding the Fourth Proportional to 449,101.44, 619,758.72 and 247,896

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Solution

The fourth proportional to 449,101.44, 619,758.72 and 247,896 is: 342,095.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,101.44 : 619,758.72 = 247,896 : x
  2. Step 2: Convert to fraction form
    449,101.44/619,758.72 = 247,896/x
  3. Step 3: Cross multiply
    449,101.44x = 619,758.72 × 247,896
  4. Step 4: Simplify right side
    449,101.44x = 153,635,707,653.12
  5. Step 5: Solve for x
    x = 153,635,707,653.12/449,101.44
  6. Step 6: Final answer
    x = 342,095.78

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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.