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Finding the Fourth Proportional to 400,563.38, 552,841.84 and 228,537.46

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Solution

The fourth proportional to 400,563.38, 552,841.84 and 228,537.46 is: 315,418.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,563.38 : 552,841.84 = 228,537.46 : x
  2. Step 2: Convert to fraction form
    400,563.38/552,841.84 = 228,537.46/x
  3. Step 3: Cross multiply
    400,563.38x = 552,841.84 × 228,537.46
  4. Step 4: Simplify right side
    400,563.38x = 126,345,069,895.33
  5. Step 5: Solve for x
    x = 126,345,069,895.33/400,563.38
  6. Step 6: Final answer
    x = 315,418.42

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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.