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Finding the Fourth Proportional to 401,495.82, 554,304.51 and 250,796.94

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Solution

The fourth proportional to 401,495.82, 554,304.51 and 250,796.94 is: 346,249.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,495.82 : 554,304.51 = 250,796.94 : x
  2. Step 2: Convert to fraction form
    401,495.82/554,304.51 = 250,796.94/x
  3. Step 3: Cross multiply
    401,495.82x = 554,304.51 × 250,796.94
  4. Step 4: Simplify right side
    401,495.82x = 139,017,874,936.20
  5. Step 5: Solve for x
    x = 139,017,874,936.20/401,495.82
  6. Step 6: Final answer
    x = 346,249.87

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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.