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Finding the Fourth Proportional to 303,515.80, 454,982.10 and 236,010.40

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Solution

The fourth proportional to 303,515.80, 454,982.10 and 236,010.40 is: 353,788.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,515.80 : 454,982.10 = 236,010.40 : x
  2. Step 2: Convert to fraction form
    303,515.80/454,982.10 = 236,010.40/x
  3. Step 3: Cross multiply
    303,515.80x = 454,982.10 × 236,010.40
  4. Step 4: Simplify right side
    303,515.80x = 107,380,507,413.84
  5. Step 5: Solve for x
    x = 107,380,507,413.84/303,515.80
  6. Step 6: Final answer
    x = 353,788.86

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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.