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Finding the Fourth Proportional to 543,610.73, 750,162.26 and 301,908.87

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Solution

The fourth proportional to 543,610.73, 750,162.26 and 301,908.87 is: 416,622.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,610.73 : 750,162.26 = 301,908.87 : x
  2. Step 2: Convert to fraction form
    543,610.73/750,162.26 = 301,908.87/x
  3. Step 3: Cross multiply
    543,610.73x = 750,162.26 × 301,908.87
  4. Step 4: Simplify right side
    543,610.73x = 226,480,640,233.25
  5. Step 5: Solve for x
    x = 226,480,640,233.25/543,610.73
  6. Step 6: Final answer
    x = 416,622.83

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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.