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Finding the Fourth Proportional to 454,679.46, 627,493.42 and 250,749

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Solution

The fourth proportional to 454,679.46, 627,493.42 and 250,749 is: 346,053.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,679.46 : 627,493.42 = 250,749 : x
  2. Step 2: Convert to fraction form
    454,679.46/627,493.42 = 250,749/x
  3. Step 3: Cross multiply
    454,679.46x = 627,493.42 × 250,749
  4. Step 4: Simplify right side
    454,679.46x = 157,343,347,571.58
  5. Step 5: Solve for x
    x = 157,343,347,571.58/454,679.46
  6. Step 6: Final answer
    x = 346,053.34

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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.