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Finding the Fourth Proportional to 322,453.10, 483,679.65 and 163,020.80

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Solution

The fourth proportional to 322,453.10, 483,679.65 and 163,020.80 is: 244,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,453.10 : 483,679.65 = 163,020.80 : x
  2. Step 2: Convert to fraction form
    322,453.10/483,679.65 = 163,020.80/x
  3. Step 3: Cross multiply
    322,453.10x = 483,679.65 × 163,020.80
  4. Step 4: Simplify right side
    322,453.10x = 78,849,843,486.72
  5. Step 5: Solve for x
    x = 78,849,843,486.72/322,453.10
  6. Step 6: Final answer
    x = 244,531.20

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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.