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Finding the Fourth Proportional to 325,883.57, 449,248.07 and 228,791.84

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Solution

The fourth proportional to 325,883.57, 449,248.07 and 228,791.84 is: 315,401.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,883.57 : 449,248.07 = 228,791.84 : x
  2. Step 2: Convert to fraction form
    325,883.57/449,248.07 = 228,791.84/x
  3. Step 3: Cross multiply
    325,883.57x = 449,248.07 × 228,791.84
  4. Step 4: Simplify right side
    325,883.57x = 102,784,290,877.49
  5. Step 5: Solve for x
    x = 102,784,290,877.49/325,883.57
  6. Step 6: Final answer
    x = 315,401.89

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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.