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Finding the Fourth Proportional to 368,998.80, 552,331.80 and 264,022.80

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Solution

The fourth proportional to 368,998.80, 552,331.80 and 264,022.80 is: 395,199.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,998.80 : 552,331.80 = 264,022.80 : x
  2. Step 2: Convert to fraction form
    368,998.80/552,331.80 = 264,022.80/x
  3. Step 3: Cross multiply
    368,998.80x = 552,331.80 × 264,022.80
  4. Step 4: Simplify right side
    368,998.80x = 145,828,188,365.04
  5. Step 5: Solve for x
    x = 145,828,188,365.04/368,998.80
  6. Step 6: Final answer
    x = 395,199.63

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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.