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Finding the Fourth Proportional to 454,658.85, 627,466.57 and 250,749.65

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Solution

The fourth proportional to 454,658.85, 627,466.57 and 250,749.65 is: 346,055.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,658.85 : 627,466.57 = 250,749.65 : x
  2. Step 2: Convert to fraction form
    454,658.85/627,466.57 = 250,749.65/x
  3. Step 3: Cross multiply
    454,658.85x = 627,466.57 × 250,749.65
  4. Step 4: Simplify right side
    454,658.85x = 157,337,023,755.99
  5. Step 5: Solve for x
    x = 157,337,023,755.99/454,658.85
  6. Step 6: Final answer
    x = 346,055.12

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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.