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Finding the Fourth Proportional to 489,184.80, 733,850.10 and 173,615.28

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Solution

The fourth proportional to 489,184.80, 733,850.10 and 173,615.28 is: 260,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,184.80 : 733,850.10 = 173,615.28 : x
  2. Step 2: Convert to fraction form
    489,184.80/733,850.10 = 173,615.28/x
  3. Step 3: Cross multiply
    489,184.80x = 733,850.10 × 173,615.28
  4. Step 4: Simplify right side
    489,184.80x = 127,407,590,589.53
  5. Step 5: Solve for x
    x = 127,407,590,589.53/489,184.80
  6. Step 6: Final answer
    x = 260,448.79

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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.