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Finding the Fourth Proportional to 322,039.26, 482,923.80 and 122,249.52

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Solution

The fourth proportional to 322,039.26, 482,923.80 and 122,249.52 is: 183,323.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,039.26 : 482,923.80 = 122,249.52 : x
  2. Step 2: Convert to fraction form
    322,039.26/482,923.80 = 122,249.52/x
  3. Step 3: Cross multiply
    322,039.26x = 482,923.80 × 122,249.52
  4. Step 4: Simplify right side
    322,039.26x = 59,037,202,746.58
  5. Step 5: Solve for x
    x = 59,037,202,746.58/322,039.26
  6. Step 6: Final answer
    x = 183,323.00

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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.