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Finding the Fourth Proportional to 372,159.41, 513,663.81 and 227,014.37

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Solution

The fourth proportional to 372,159.41, 513,663.81 and 227,014.37 is: 313,330.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,159.41 : 513,663.81 = 227,014.37 : x
  2. Step 2: Convert to fraction form
    372,159.41/513,663.81 = 227,014.37/x
  3. Step 3: Cross multiply
    372,159.41x = 513,663.81 × 227,014.37
  4. Step 4: Simplify right side
    372,159.41x = 116,609,063,650.63
  5. Step 5: Solve for x
    x = 116,609,063,650.63/372,159.41
  6. Step 6: Final answer
    x = 313,330.96

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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.