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Finding the Fourth Proportional to 339,543.96, 508,540.42 and 162,176.41

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Solution

The fourth proportional to 339,543.96, 508,540.42 and 162,176.41 is: 242,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,543.96 : 508,540.42 = 162,176.41 : x
  2. Step 2: Convert to fraction form
    339,543.96/508,540.42 = 162,176.41/x
  3. Step 3: Cross multiply
    339,543.96x = 508,540.42 × 162,176.41
  4. Step 4: Simplify right side
    339,543.96x = 82,473,259,655.49
  5. Step 5: Solve for x
    x = 82,473,259,655.49/339,543.96
  6. Step 6: Final answer
    x = 242,894.20

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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.