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Finding the Fourth Proportional to 400,522.74, 552,724.82 and 228,449.44

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Solution

The fourth proportional to 400,522.74, 552,724.82 and 228,449.44 is: 315,262.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,522.74 : 552,724.82 = 228,449.44 : x
  2. Step 2: Convert to fraction form
    400,522.74/552,724.82 = 228,449.44/x
  3. Step 3: Cross multiply
    400,522.74x = 552,724.82 × 228,449.44
  4. Step 4: Simplify right side
    400,522.74x = 126,269,675,603.10
  5. Step 5: Solve for x
    x = 126,269,675,603.10/400,522.74
  6. Step 6: Final answer
    x = 315,262.19

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1.5x scale

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.