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Finding the Fourth Proportional to 361,183, 539,578 and 233,785.36

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Solution

The fourth proportional to 361,183, 539,578 and 233,785.36 is: 349,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,183 : 539,578 = 233,785.36 : x
  2. Step 2: Convert to fraction form
    361,183/539,578 = 233,785.36/x
  3. Step 3: Cross multiply
    361,183x = 539,578 × 233,785.36
  4. Step 4: Simplify right side
    361,183x = 126,145,436,978.08
  5. Step 5: Solve for x
    x = 126,145,436,978.08/361,183
  6. Step 6: Final answer
    x = 349,256.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.