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Finding the Fourth Proportional to 489,191.55, 733,860.24 and 173,622.03

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Solution

The fourth proportional to 489,191.55, 733,860.24 and 173,622.03 is: 260,458.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,191.55 : 733,860.24 = 173,622.03 : x
  2. Step 2: Convert to fraction form
    489,191.55/733,860.24 = 173,622.03/x
  3. Step 3: Cross multiply
    489,191.55x = 733,860.24 × 173,622.03
  4. Step 4: Simplify right side
    489,191.55x = 127,414,304,605.09
  5. Step 5: Solve for x
    x = 127,414,304,605.09/489,191.55
  6. Step 6: Final answer
    x = 260,458.92

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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.