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Finding the Fourth Proportional to 489,191.80, 733,860.61 and 173,622.28

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Solution

The fourth proportional to 489,191.80, 733,860.61 and 173,622.28 is: 260,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,191.80 : 733,860.61 = 173,622.28 : x
  2. Step 2: Convert to fraction form
    489,191.80/733,860.61 = 173,622.28/x
  3. Step 3: Cross multiply
    489,191.80x = 733,860.61 × 173,622.28
  4. Step 4: Simplify right side
    489,191.80x = 127,414,552,310.39
  5. Step 5: Solve for x
    x = 127,414,552,310.39/489,191.80
  6. Step 6: Final answer
    x = 260,459.30

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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.