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Finding the Fourth Proportional to 454,392.80, 627,058.93 and 250,443.83

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Solution

The fourth proportional to 454,392.80, 627,058.93 and 250,443.83 is: 345,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,392.80 : 627,058.93 = 250,443.83 : x
  2. Step 2: Convert to fraction form
    454,392.80/627,058.93 = 250,443.83/x
  3. Step 3: Cross multiply
    454,392.80x = 627,058.93 × 250,443.83
  4. Step 4: Simplify right side
    454,392.80x = 157,043,042,181.74
  5. Step 5: Solve for x
    x = 157,043,042,181.74/454,392.80
  6. Step 6: Final answer
    x = 345,610.76

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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.