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Finding the Fourth Proportional to 408,240.59, 563,391.23 and 226,955.54

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Solution

The fourth proportional to 408,240.59, 563,391.23 and 226,955.54 is: 313,209.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,240.59 : 563,391.23 = 226,955.54 : x
  2. Step 2: Convert to fraction form
    408,240.59/563,391.23 = 226,955.54/x
  3. Step 3: Cross multiply
    408,240.59x = 563,391.23 × 226,955.54
  4. Step 4: Simplify right side
    408,240.59x = 127,864,758,586.35
  5. Step 5: Solve for x
    x = 127,864,758,586.35/408,240.59
  6. Step 6: Final answer
    x = 313,209.33

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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.