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Finding the Fourth Proportional to 322,296.40, 483,617.40 and 135,326.80

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Solution

The fourth proportional to 322,296.40, 483,617.40 and 135,326.80 is: 203,062.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,296.40 : 483,617.40 = 135,326.80 : x
  2. Step 2: Convert to fraction form
    322,296.40/483,617.40 = 135,326.80/x
  3. Step 3: Cross multiply
    322,296.40x = 483,617.40 × 135,326.80
  4. Step 4: Simplify right side
    322,296.40x = 65,446,395,166.32
  5. Step 5: Solve for x
    x = 65,446,395,166.32/322,296.40
  6. Step 6: Final answer
    x = 203,062.76

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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.