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Finding the Fourth Proportional to 322,040.61, 444,417.03 and 178,801.02

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Solution

The fourth proportional to 322,040.61, 444,417.03 and 178,801.02 is: 246,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,040.61 : 444,417.03 = 178,801.02 : x
  2. Step 2: Convert to fraction form
    322,040.61/444,417.03 = 178,801.02/x
  3. Step 3: Cross multiply
    322,040.61x = 444,417.03 × 178,801.02
  4. Step 4: Simplify right side
    322,040.61x = 79,462,218,269.37
  5. Step 5: Solve for x
    x = 79,462,218,269.37/322,040.61
  6. Step 6: Final answer
    x = 246,745.96

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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.