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Finding the Fourth Proportional to 322,589.80, 483,927.90 and 112,292.20

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Solution

The fourth proportional to 322,589.80, 483,927.90 and 112,292.20 is: 168,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,589.80 : 483,927.90 = 112,292.20 : x
  2. Step 2: Convert to fraction form
    322,589.80/483,927.90 = 112,292.20/x
  3. Step 3: Cross multiply
    322,589.80x = 483,927.90 × 112,292.20
  4. Step 4: Simplify right side
    322,589.80x = 54,341,328,532.38
  5. Step 5: Solve for x
    x = 54,341,328,532.38/322,589.80
  6. Step 6: Final answer
    x = 168,453.34

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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.