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Finding the Fourth Proportional to 292,241.65, 401,745.34 and 251,254.78

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Solution

The fourth proportional to 292,241.65, 401,745.34 and 251,254.78 is: 345,400.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,241.65 : 401,745.34 = 251,254.78 : x
  2. Step 2: Convert to fraction form
    292,241.65/401,745.34 = 251,254.78/x
  3. Step 3: Cross multiply
    292,241.65x = 401,745.34 × 251,254.78
  4. Step 4: Simplify right side
    292,241.65x = 100,940,437,017.73
  5. Step 5: Solve for x
    x = 100,940,437,017.73/292,241.65
  6. Step 6: Final answer
    x = 345,400.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.