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Finding the Fourth Proportional to 256,322.98, 351,156.65 and 246,739.33

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Solution

The fourth proportional to 256,322.98, 351,156.65 and 246,739.33 is: 338,027.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,322.98 : 351,156.65 = 246,739.33 : x
  2. Step 2: Convert to fraction form
    256,322.98/351,156.65 = 246,739.33/x
  3. Step 3: Cross multiply
    256,322.98x = 351,156.65 × 246,739.33
  4. Step 4: Simplify right side
    256,322.98x = 86,644,153,556.56
  5. Step 5: Solve for x
    x = 86,644,153,556.56/256,322.98
  6. Step 6: Final answer
    x = 338,027.26

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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.