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Finding the Fourth Proportional to 322,456.78, 483,772.65 and 112,111.12

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Solution

The fourth proportional to 322,456.78, 483,772.65 and 112,111.12 is: 168,197.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,456.78 : 483,772.65 = 112,111.12 : x
  2. Step 2: Convert to fraction form
    322,456.78/483,772.65 = 112,111.12/x
  3. Step 3: Cross multiply
    322,456.78x = 483,772.65 × 112,111.12
  4. Step 4: Simplify right side
    322,456.78x = 54,236,293,616.87
  5. Step 5: Solve for x
    x = 54,236,293,616.87/322,456.78
  6. Step 6: Final answer
    x = 168,197.09

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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.