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Finding the Fourth Proportional to 322,158.74, 444,579.03 and 178,932.11

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Solution

The fourth proportional to 322,158.74, 444,579.03 and 178,932.11 is: 246,926.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,158.74 : 444,579.03 = 178,932.11 : x
  2. Step 2: Convert to fraction form
    322,158.74/444,579.03 = 178,932.11/x
  3. Step 3: Cross multiply
    322,158.74x = 444,579.03 × 178,932.11
  4. Step 4: Simplify right side
    322,158.74x = 79,549,461,676.76
  5. Step 5: Solve for x
    x = 79,549,461,676.76/322,158.74
  6. Step 6: Final answer
    x = 246,926.29

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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.