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Finding the Fourth Proportional to 401,732.25, 554,650.22 and 248,932.59

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Solution

The fourth proportional to 401,732.25, 554,650.22 and 248,932.59 is: 343,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,732.25 : 554,650.22 = 248,932.59 : x
  2. Step 2: Convert to fraction form
    401,732.25/554,650.22 = 248,932.59/x
  3. Step 3: Cross multiply
    401,732.25x = 554,650.22 × 248,932.59
  4. Step 4: Simplify right side
    401,732.25x = 138,070,514,564.01
  5. Step 5: Solve for x
    x = 138,070,514,564.01/401,732.25
  6. Step 6: Final answer
    x = 343,687.90

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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.