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Finding the Fourth Proportional to 483,787.72, 725,747.28 and 168,203.80

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Solution

The fourth proportional to 483,787.72, 725,747.28 and 168,203.80 is: 252,328.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,787.72 : 725,747.28 = 168,203.80 : x
  2. Step 2: Convert to fraction form
    483,787.72/725,747.28 = 168,203.80/x
  3. Step 3: Cross multiply
    483,787.72x = 725,747.28 × 168,203.80
  4. Step 4: Simplify right side
    483,787.72x = 122,073,450,335.66
  5. Step 5: Solve for x
    x = 122,073,450,335.66/483,787.72
  6. Step 6: Final answer
    x = 252,328.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.