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Finding the Fourth Proportional to 489,439.44, 734,003.64 and 332,675.28

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Solution

The fourth proportional to 489,439.44, 734,003.64 and 332,675.28 is: 498,907.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,439.44 : 734,003.64 = 332,675.28 : x
  2. Step 2: Convert to fraction form
    489,439.44/734,003.64 = 332,675.28/x
  3. Step 3: Cross multiply
    489,439.44x = 734,003.64 × 332,675.28
  4. Step 4: Simplify right side
    489,439.44x = 244,184,866,458.02
  5. Step 5: Solve for x
    x = 244,184,866,458.02/489,439.44
  6. Step 6: Final answer
    x = 498,907.21

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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.