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Finding the Fourth Proportional to 226,519.54, 339,733.95 and 215,278.90

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Solution

The fourth proportional to 226,519.54, 339,733.95 and 215,278.90 is: 322,875.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,519.54 : 339,733.95 = 215,278.90 : x
  2. Step 2: Convert to fraction form
    226,519.54/339,733.95 = 215,278.90/x
  3. Step 3: Cross multiply
    226,519.54x = 339,733.95 × 215,278.90
  4. Step 4: Simplify right side
    226,519.54x = 73,137,551,048.66
  5. Step 5: Solve for x
    x = 73,137,551,048.66/226,519.54
  6. Step 6: Final answer
    x = 322,875.24

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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.