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Finding the Fourth Proportional to 408,256.13, 563,361.54 and 226,957.03

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Solution

The fourth proportional to 408,256.13, 563,361.54 and 226,957.03 is: 313,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,256.13 : 563,361.54 = 226,957.03 : x
  2. Step 2: Convert to fraction form
    408,256.13/563,361.54 = 226,957.03/x
  3. Step 3: Cross multiply
    408,256.13x = 563,361.54 × 226,957.03
  4. Step 4: Simplify right side
    408,256.13x = 127,858,859,117.82
  5. Step 5: Solve for x
    x = 127,858,859,117.82/408,256.13
  6. Step 6: Final answer
    x = 313,182.95

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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.