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Finding the Fourth Proportional to 322,674.93, 445,291.74 and 179,431.89

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Solution

The fourth proportional to 322,674.93, 445,291.74 and 179,431.89 is: 247,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,674.93 : 445,291.74 = 179,431.89 : x
  2. Step 2: Convert to fraction form
    322,674.93/445,291.74 = 179,431.89/x
  3. Step 3: Cross multiply
    322,674.93x = 445,291.74 × 179,431.89
  4. Step 4: Simplify right side
    322,674.93x = 79,899,538,509.59
  5. Step 5: Solve for x
    x = 79,899,538,509.59/322,674.93
  6. Step 6: Final answer
    x = 247,616.20

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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.