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Finding the Fourth Proportional to 203,472.40, 304,625.40 and 197,640.40

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Solution

The fourth proportional to 203,472.40, 304,625.40 and 197,640.40 is: 295,894.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,472.40 : 304,625.40 = 197,640.40 : x
  2. Step 2: Convert to fraction form
    203,472.40/304,625.40 = 197,640.40/x
  3. Step 3: Cross multiply
    203,472.40x = 304,625.40 × 197,640.40
  4. Step 4: Simplify right side
    203,472.40x = 60,206,285,906.16
  5. Step 5: Solve for x
    x = 60,206,285,906.16/203,472.40
  6. Step 6: Final answer
    x = 295,894.12

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1.5x scale

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.