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Finding the Fourth Proportional to 454,718.62, 627,515.63 and 250,776.82

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Solution

The fourth proportional to 454,718.62, 627,515.63 and 250,776.82 is: 346,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,718.62 : 627,515.63 = 250,776.82 : x
  2. Step 2: Convert to fraction form
    454,718.62/627,515.63 = 250,776.82/x
  3. Step 3: Cross multiply
    454,718.62x = 627,515.63 × 250,776.82
  4. Step 4: Simplify right side
    454,718.62x = 157,366,373,249.85
  5. Step 5: Solve for x
    x = 157,366,373,249.85/454,718.62
  6. Step 6: Final answer
    x = 346,074.18

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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.