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Finding the Fourth Proportional to 404,269.28, 557,894.25 and 222,986.12

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Solution

The fourth proportional to 404,269.28, 557,894.25 and 222,986.12 is: 307,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,269.28 : 557,894.25 = 222,986.12 : x
  2. Step 2: Convert to fraction form
    404,269.28/557,894.25 = 222,986.12/x
  3. Step 3: Cross multiply
    404,269.28x = 557,894.25 × 222,986.12
  4. Step 4: Simplify right side
    404,269.28x = 124,402,671,388.34
  5. Step 5: Solve for x
    x = 124,402,671,388.34/404,269.28
  6. Step 6: Final answer
    x = 307,722.30

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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.