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Finding the Fourth Proportional to 448,876.25, 619,449.23 and 247,672.25

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Solution

The fourth proportional to 448,876.25, 619,449.23 and 247,672.25 is: 341,787.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,876.25 : 619,449.23 = 247,672.25 : x
  2. Step 2: Convert to fraction form
    448,876.25/619,449.23 = 247,672.25/x
  3. Step 3: Cross multiply
    448,876.25x = 619,449.23 × 247,672.25
  4. Step 4: Simplify right side
    448,876.25x = 153,420,383,316.51
  5. Step 5: Solve for x
    x = 153,420,383,316.51/448,876.25
  6. Step 6: Final answer
    x = 341,787.71

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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.