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Finding the Fourth Proportional to 454,718.25, 627,502.77 and 250,788.11

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Solution

The fourth proportional to 454,718.25, 627,502.77 and 250,788.11 is: 346,082.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,718.25 : 627,502.77 = 250,788.11 : x
  2. Step 2: Convert to fraction form
    454,718.25/627,502.77 = 250,788.11/x
  3. Step 3: Cross multiply
    454,718.25x = 627,502.77 × 250,788.11
  4. Step 4: Simplify right side
    454,718.25x = 157,370,230,570.55
  5. Step 5: Solve for x
    x = 157,370,230,570.55/454,718.25
  6. Step 6: Final answer
    x = 346,082.94

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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.