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Finding the Fourth Proportional to 338,006.44, 506,979.42 and 101,401.96

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Solution

The fourth proportional to 338,006.44, 506,979.42 and 101,401.96 is: 152,093.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,006.44 : 506,979.42 = 101,401.96 : x
  2. Step 2: Convert to fraction form
    338,006.44/506,979.42 = 101,401.96/x
  3. Step 3: Cross multiply
    338,006.44x = 506,979.42 × 101,401.96
  4. Step 4: Simplify right side
    338,006.44x = 51,408,706,867.66
  5. Step 5: Solve for x
    x = 51,408,706,867.66/338,006.44
  6. Step 6: Final answer
    x = 152,093.87

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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.