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Finding the Fourth Proportional to 489,169.60, 733,754.40 and 236,571.10

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Solution

The fourth proportional to 489,169.60, 733,754.40 and 236,571.10 is: 354,856.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,169.60 : 733,754.40 = 236,571.10 : x
  2. Step 2: Convert to fraction form
    489,169.60/733,754.40 = 236,571.10/x
  3. Step 3: Cross multiply
    489,169.60x = 733,754.40 × 236,571.10
  4. Step 4: Simplify right side
    489,169.60x = 173,585,085,537.84
  5. Step 5: Solve for x
    x = 173,585,085,537.84/489,169.60
  6. Step 6: Final answer
    x = 354,856.65

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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.