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Finding the Fourth Proportional to 454,680.90, 627,445.26 and 250,740.42

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Solution

The fourth proportional to 454,680.90, 627,445.26 and 250,740.42 is: 346,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,680.90 : 627,445.26 = 250,740.42 : x
  2. Step 2: Convert to fraction form
    454,680.90/627,445.26 = 250,740.42/x
  3. Step 3: Cross multiply
    454,680.90x = 627,445.26 × 250,740.42
  4. Step 4: Simplify right side
    454,680.90x = 157,325,888,019.41
  5. Step 5: Solve for x
    x = 157,325,888,019.41/454,680.90
  6. Step 6: Final answer
    x = 346,013.85

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1.5x scale

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.