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Finding the Fourth Proportional to 591,199.72, 815,596.46 and 361,768.03

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Solution

The fourth proportional to 591,199.72, 815,596.46 and 361,768.03 is: 499,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,199.72 : 815,596.46 = 361,768.03 : x
  2. Step 2: Convert to fraction form
    591,199.72/815,596.46 = 361,768.03/x
  3. Step 3: Cross multiply
    591,199.72x = 815,596.46 × 361,768.03
  4. Step 4: Simplify right side
    591,199.72x = 295,056,722,117.97
  5. Step 5: Solve for x
    x = 295,056,722,117.97/591,199.72
  6. Step 6: Final answer
    x = 499,081.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.