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Finding the Fourth Proportional to 483,227.62, 724,785.10 and 128,269.24

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Solution

The fourth proportional to 483,227.62, 724,785.10 and 128,269.24 is: 192,388.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,227.62 : 724,785.10 = 128,269.24 : x
  2. Step 2: Convert to fraction form
    483,227.62/724,785.10 = 128,269.24/x
  3. Step 3: Cross multiply
    483,227.62x = 724,785.10 × 128,269.24
  4. Step 4: Simplify right side
    483,227.62x = 92,967,633,940.32
  5. Step 5: Solve for x
    x = 92,967,633,940.32/483,227.62
  6. Step 6: Final answer
    x = 192,388.91

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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.