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Finding the Fourth Proportional to 489,589.98, 734,610.96 and 223,432.08

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Solution

The fourth proportional to 489,589.98, 734,610.96 and 223,432.08 is: 335,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,589.98 : 734,610.96 = 223,432.08 : x
  2. Step 2: Convert to fraction form
    489,589.98/734,610.96 = 223,432.08/x
  3. Step 3: Cross multiply
    489,589.98x = 734,610.96 × 223,432.08
  4. Step 4: Simplify right side
    489,589.98x = 164,135,654,783.60
  5. Step 5: Solve for x
    x = 164,135,654,783.60/489,589.98
  6. Step 6: Final answer
    x = 335,251.25

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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.