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Finding the Fourth Proportional to 404,067.63, 557,638.38 and 222,779.24

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Solution

The fourth proportional to 404,067.63, 557,638.38 and 222,779.24 is: 307,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,067.63 : 557,638.38 = 222,779.24 : x
  2. Step 2: Convert to fraction form
    404,067.63/557,638.38 = 222,779.24/x
  3. Step 3: Cross multiply
    404,067.63x = 557,638.38 × 222,779.24
  4. Step 4: Simplify right side
    404,067.63x = 124,230,251,703.04
  5. Step 5: Solve for x
    x = 124,230,251,703.04/404,067.63
  6. Step 6: Final answer
    x = 307,449.16

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1.5x scale

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.