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Finding the Fourth Proportional to 334,337.44, 501,504.42 and 81,619.27

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Solution

The fourth proportional to 334,337.44, 501,504.42 and 81,619.27 is: 122,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,337.44 : 501,504.42 = 81,619.27 : x
  2. Step 2: Convert to fraction form
    334,337.44/501,504.42 = 81,619.27/x
  3. Step 3: Cross multiply
    334,337.44x = 501,504.42 × 81,619.27
  4. Step 4: Simplify right side
    334,337.44x = 40,932,424,254.08
  5. Step 5: Solve for x
    x = 40,932,424,254.08/334,337.44
  6. Step 6: Final answer
    x = 122,428.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.