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Finding the Fourth Proportional to 372,716.40, 514,334.59 and 227,764.56

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Solution

The fourth proportional to 372,716.40, 514,334.59 and 227,764.56 is: 314,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,716.40 : 514,334.59 = 227,764.56 : x
  2. Step 2: Convert to fraction form
    372,716.40/514,334.59 = 227,764.56/x
  3. Step 3: Cross multiply
    372,716.40x = 514,334.59 × 227,764.56
  4. Step 4: Simplify right side
    372,716.40x = 117,147,191,584.13
  5. Step 5: Solve for x
    x = 117,147,191,584.13/372,716.40
  6. Step 6: Final answer
    x = 314,306.51

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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.