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Finding the Fourth Proportional to 308,536.98, 426,001.62 and 240,629.82

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Solution

The fourth proportional to 308,536.98, 426,001.62 and 240,629.82 is: 332,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,536.98 : 426,001.62 = 240,629.82 : x
  2. Step 2: Convert to fraction form
    308,536.98/426,001.62 = 240,629.82/x
  3. Step 3: Cross multiply
    308,536.98x = 426,001.62 × 240,629.82
  4. Step 4: Simplify right side
    308,536.98x = 102,508,693,140.31
  5. Step 5: Solve for x
    x = 102,508,693,140.31/308,536.98
  6. Step 6: Final answer
    x = 332,241.19

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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.