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Finding the Fourth Proportional to 401,092.82, 601,234.34 and 251,438.23

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Solution

The fourth proportional to 401,092.82, 601,234.34 and 251,438.23 is: 376,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,092.82 : 601,234.34 = 251,438.23 : x
  2. Step 2: Convert to fraction form
    401,092.82/601,234.34 = 251,438.23/x
  3. Step 3: Cross multiply
    401,092.82x = 601,234.34 × 251,438.23
  4. Step 4: Simplify right side
    401,092.82x = 151,173,298,264.82
  5. Step 5: Solve for x
    x = 151,173,298,264.82/401,092.82
  6. Step 6: Final answer
    x = 376,903.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.