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Finding the Fourth Proportional to 349,324.77, 523,610.55 and 169,029.39

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Solution

The fourth proportional to 349,324.77, 523,610.55 and 169,029.39 is: 253,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,324.77 : 523,610.55 = 169,029.39 : x
  2. Step 2: Convert to fraction form
    349,324.77/523,610.55 = 169,029.39/x
  3. Step 3: Cross multiply
    349,324.77x = 523,610.55 × 169,029.39
  4. Step 4: Simplify right side
    349,324.77x = 88,505,571,864.06
  5. Step 5: Solve for x
    x = 88,505,571,864.06/349,324.77
  6. Step 6: Final answer
    x = 253,361.86

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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.