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Finding the Fourth Proportional to 404,342.82, 557,991.52 and 223,066.03

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Solution

The fourth proportional to 404,342.82, 557,991.52 and 223,066.03 is: 307,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,342.82 : 557,991.52 = 223,066.03 : x
  2. Step 2: Convert to fraction form
    404,342.82/557,991.52 = 223,066.03/x
  3. Step 3: Cross multiply
    404,342.82x = 557,991.52 × 223,066.03
  4. Step 4: Simplify right side
    404,342.82x = 124,468,952,024.74
  5. Step 5: Solve for x
    x = 124,468,952,024.74/404,342.82
  6. Step 6: Final answer
    x = 307,830.26

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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.