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Finding the Fourth Proportional to 404,268.54, 557,893.14 and 222,985.32

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Solution

The fourth proportional to 404,268.54, 557,893.14 and 222,985.32 is: 307,721.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,268.54 : 557,893.14 = 222,985.32 : x
  2. Step 2: Convert to fraction form
    404,268.54/557,893.14 = 222,985.32/x
  3. Step 3: Cross multiply
    404,268.54x = 557,893.14 × 222,985.32
  4. Step 4: Simplify right side
    404,268.54x = 124,401,980,348.71
  5. Step 5: Solve for x
    x = 124,401,980,348.71/404,268.54
  6. Step 6: Final answer
    x = 307,721.15

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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.