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Finding the Fourth Proportional to 245,814.59, 368,791.14 and 222,391.82

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Solution

The fourth proportional to 245,814.59, 368,791.14 and 222,391.82 is: 333,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,814.59 : 368,791.14 = 222,391.82 : x
  2. Step 2: Convert to fraction form
    245,814.59/368,791.14 = 222,391.82/x
  3. Step 3: Cross multiply
    245,814.59x = 368,791.14 × 222,391.82
  4. Step 4: Simplify right side
    245,814.59x = 82,016,132,824.47
  5. Step 5: Solve for x
    x = 82,016,132,824.47/245,814.59
  6. Step 6: Final answer
    x = 333,650.39

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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.