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Finding the Fourth Proportional to 400,626.92, 552,895.85 and 228,548.68

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Solution

The fourth proportional to 400,626.92, 552,895.85 and 228,548.68 is: 315,414.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,626.92 : 552,895.85 = 228,548.68 : x
  2. Step 2: Convert to fraction form
    400,626.92/552,895.85 = 228,548.68/x
  3. Step 3: Cross multiply
    400,626.92x = 552,895.85 × 228,548.68
  4. Step 4: Simplify right side
    400,626.92x = 126,363,615,884.11
  5. Step 5: Solve for x
    x = 126,363,615,884.11/400,626.92
  6. Step 6: Final answer
    x = 315,414.69

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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.