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Finding the Fourth Proportional to 367,856.64, 552,171.06 and 326,004.48

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Solution

The fourth proportional to 367,856.64, 552,171.06 and 326,004.48 is: 489,348.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,856.64 : 552,171.06 = 326,004.48 : x
  2. Step 2: Convert to fraction form
    367,856.64/552,171.06 = 326,004.48/x
  3. Step 3: Cross multiply
    367,856.64x = 552,171.06 × 326,004.48
  4. Step 4: Simplify right side
    367,856.64x = 180,010,239,286.35
  5. Step 5: Solve for x
    x = 180,010,239,286.35/367,856.64
  6. Step 6: Final answer
    x = 489,348.89

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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.