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Finding the Fourth Proportional to 408,252.99, 563,357.23 and 226,953.89

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Solution

The fourth proportional to 408,252.99, 563,357.23 and 226,953.89 is: 313,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,252.99 : 563,357.23 = 226,953.89 : x
  2. Step 2: Convert to fraction form
    408,252.99/563,357.23 = 226,953.89/x
  3. Step 3: Cross multiply
    408,252.99x = 563,357.23 × 226,953.89
  4. Step 4: Simplify right side
    408,252.99x = 127,856,113,536.54
  5. Step 5: Solve for x
    x = 127,856,113,536.54/408,252.99
  6. Step 6: Final answer
    x = 313,178.63

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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.