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Finding the Fourth Proportional to 358,696.98, 495,239.94 and 222,933.42

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Solution

The fourth proportional to 358,696.98, 495,239.94 and 222,933.42 is: 307,796.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,696.98 : 495,239.94 = 222,933.42 : x
  2. Step 2: Convert to fraction form
    358,696.98/495,239.94 = 222,933.42/x
  3. Step 3: Cross multiply
    358,696.98x = 495,239.94 × 222,933.42
  4. Step 4: Simplify right side
    358,696.98x = 110,405,533,544.80
  5. Step 5: Solve for x
    x = 110,405,533,544.80/358,696.98
  6. Step 6: Final answer
    x = 307,796.11

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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.