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Finding the Fourth Proportional to 454,479.85, 627,154.02 and 250,520.23

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Solution

The fourth proportional to 454,479.85, 627,154.02 and 250,520.23 is: 345,702.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,479.85 : 627,154.02 = 250,520.23 : x
  2. Step 2: Convert to fraction form
    454,479.85/627,154.02 = 250,520.23/x
  3. Step 3: Cross multiply
    454,479.85x = 627,154.02 × 250,520.23
  4. Step 4: Simplify right side
    454,479.85x = 157,114,769,335.83
  5. Step 5: Solve for x
    x = 157,114,769,335.83/454,479.85
  6. Step 6: Final answer
    x = 345,702.39

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Double scale
Find fourth proportional to 454,480.85, 627,155.40 and 250,521.23
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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.