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Finding the Fourth Proportional to 322,469.40, 444,837.78 and 191,572.32

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Solution

The fourth proportional to 322,469.40, 444,837.78 and 191,572.32 is: 264,268.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,469.40 : 444,837.78 = 191,572.32 : x
  2. Step 2: Convert to fraction form
    322,469.40/444,837.78 = 191,572.32/x
  3. Step 3: Cross multiply
    322,469.40x = 444,837.78 × 191,572.32
  4. Step 4: Simplify right side
    322,469.40x = 85,218,605,538.25
  5. Step 5: Solve for x
    x = 85,218,605,538.25/322,469.40
  6. Step 6: Final answer
    x = 264,268.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.