Home / 368,905.68-552,964.32-263,404.80

Finding the Fourth Proportional to 368,905.68, 552,964.32 and 263,404.80

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Solution

The fourth proportional to 368,905.68, 552,964.32 and 263,404.80 is: 394,825.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,905.68 : 552,964.32 = 263,404.80 : x
  2. Step 2: Convert to fraction form
    368,905.68/552,964.32 = 263,404.80/x
  3. Step 3: Cross multiply
    368,905.68x = 552,964.32 × 263,404.80
  4. Step 4: Simplify right side
    368,905.68x = 145,653,456,116.74
  5. Step 5: Solve for x
    x = 145,653,456,116.74/368,905.68
  6. Step 6: Final answer
    x = 394,825.73

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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.