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Finding the Fourth Proportional to 489,734.37, 734,760.32 and 240,241.41

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Solution

The fourth proportional to 489,734.37, 734,760.32 and 240,241.41 is: 360,440.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,734.37 : 734,760.32 = 240,241.41 : x
  2. Step 2: Convert to fraction form
    489,734.37/734,760.32 = 240,241.41/x
  3. Step 3: Cross multiply
    489,734.37x = 734,760.32 × 240,241.41
  4. Step 4: Simplify right side
    489,734.37x = 176,519,854,087.64
  5. Step 5: Solve for x
    x = 176,519,854,087.64/489,734.37
  6. Step 6: Final answer
    x = 360,440.00

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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.