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Finding the Fourth Proportional to 454,363.14, 627,128.04 and 282,411

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Solution

The fourth proportional to 454,363.14, 627,128.04 and 282,411 is: 389,793.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,363.14 : 627,128.04 = 282,411 : x
  2. Step 2: Convert to fraction form
    454,363.14/627,128.04 = 282,411/x
  3. Step 3: Cross multiply
    454,363.14x = 627,128.04 × 282,411
  4. Step 4: Simplify right side
    454,363.14x = 177,107,856,904.44
  5. Step 5: Solve for x
    x = 177,107,856,904.44/454,363.14
  6. Step 6: Final answer
    x = 389,793.63

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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.