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Finding the Fourth Proportional to 454,833.72, 627,685.65 and 248,113.44

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Solution

The fourth proportional to 454,833.72, 627,685.65 and 248,113.44 is: 342,404.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,833.72 : 627,685.65 = 248,113.44 : x
  2. Step 2: Convert to fraction form
    454,833.72/627,685.65 = 248,113.44/x
  3. Step 3: Cross multiply
    454,833.72x = 627,685.65 × 248,113.44
  4. Step 4: Simplify right side
    454,833.72x = 155,737,245,860.14
  5. Step 5: Solve for x
    x = 155,737,245,860.14/454,833.72
  6. Step 6: Final answer
    x = 342,404.79

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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.