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Finding the Fourth Proportional to 339,401.44, 508,326.84 and 162,033.01

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Solution

The fourth proportional to 339,401.44, 508,326.84 and 162,033.01 is: 242,679.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,401.44 : 508,326.84 = 162,033.01 : x
  2. Step 2: Convert to fraction form
    339,401.44/508,326.84 = 162,033.01/x
  3. Step 3: Cross multiply
    339,401.44x = 508,326.84 × 162,033.01
  4. Step 4: Simplify right side
    339,401.44x = 82,365,726,678.17
  5. Step 5: Solve for x
    x = 82,365,726,678.17/339,401.44
  6. Step 6: Final answer
    x = 242,679.37

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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.