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Finding the Fourth Proportional to 341,642.70, 471,663.63 and 227,076.66

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Solution

The fourth proportional to 341,642.70, 471,663.63 and 227,076.66 is: 313,496.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,642.70 : 471,663.63 = 227,076.66 : x
  2. Step 2: Convert to fraction form
    341,642.70/471,663.63 = 227,076.66/x
  3. Step 3: Cross multiply
    341,642.70x = 471,663.63 × 227,076.66
  4. Step 4: Simplify right side
    341,642.70x = 107,103,801,743.88
  5. Step 5: Solve for x
    x = 107,103,801,743.88/341,642.70
  6. Step 6: Final answer
    x = 313,496.53

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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.