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Finding the Fourth Proportional to 379,842.63, 524,344.23 and 236,673.41

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Solution

The fourth proportional to 379,842.63, 524,344.23 and 236,673.41 is: 326,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,842.63 : 524,344.23 = 236,673.41 : x
  2. Step 2: Convert to fraction form
    379,842.63/524,344.23 = 236,673.41/x
  3. Step 3: Cross multiply
    379,842.63x = 524,344.23 × 236,673.41
  4. Step 4: Simplify right side
    379,842.63x = 124,098,334,306.20
  5. Step 5: Solve for x
    x = 124,098,334,306.20/379,842.63
  6. Step 6: Final answer
    x = 326,709.86

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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.