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Finding the Fourth Proportional to 322,716.48, 445,355.04 and 179,476.80

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Solution

The fourth proportional to 322,716.48, 445,355.04 and 179,476.80 is: 247,681.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,716.48 : 445,355.04 = 179,476.80 : x
  2. Step 2: Convert to fraction form
    322,716.48/445,355.04 = 179,476.80/x
  3. Step 3: Cross multiply
    322,716.48x = 445,355.04 × 179,476.80
  4. Step 4: Simplify right side
    322,716.48x = 79,930,897,443.07
  5. Step 5: Solve for x
    x = 79,930,897,443.07/322,716.48
  6. Step 6: Final answer
    x = 247,681.49

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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.