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Finding the Fourth Proportional to 454,679.26, 627,442.92 and 250,738.76

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Solution

The fourth proportional to 454,679.26, 627,442.92 and 250,738.76 is: 346,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,679.26 : 627,442.92 = 250,738.76 : x
  2. Step 2: Convert to fraction form
    454,679.26/627,442.92 = 250,738.76/x
  3. Step 3: Cross multiply
    454,679.26x = 627,442.92 × 250,738.76
  4. Step 4: Simplify right side
    454,679.26x = 157,324,261,300.19
  5. Step 5: Solve for x
    x = 157,324,261,300.19/454,679.26
  6. Step 6: Final answer
    x = 346,011.52

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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.