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Finding the Fourth Proportional to 344,456.64, 474,649.09 and 266,458.43

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Solution

The fourth proportional to 344,456.64, 474,649.09 and 266,458.43 is: 367,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,456.64 : 474,649.09 = 266,458.43 : x
  2. Step 2: Convert to fraction form
    344,456.64/474,649.09 = 266,458.43/x
  3. Step 3: Cross multiply
    344,456.64x = 474,649.09 × 266,458.43
  4. Step 4: Simplify right side
    344,456.64x = 126,474,251,842.81
  5. Step 5: Solve for x
    x = 126,474,251,842.81/344,456.64
  6. Step 6: Final answer
    x = 367,170.31

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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.