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Finding the Fourth Proportional to 454,518.62, 627,239.83 and 250,576.92

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Solution

The fourth proportional to 454,518.62, 627,239.83 and 250,576.92 is: 345,798.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,518.62 : 627,239.83 = 250,576.92 : x
  2. Step 2: Convert to fraction form
    454,518.62/627,239.83 = 250,576.92/x
  3. Step 3: Cross multiply
    454,518.62x = 627,239.83 × 250,576.92
  4. Step 4: Simplify right side
    454,518.62x = 157,171,824,702.72
  5. Step 5: Solve for x
    x = 157,171,824,702.72/454,518.62
  6. Step 6: Final answer
    x = 345,798.43

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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.