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Finding the Fourth Proportional to 478,793.24, 718,294.82 and 141,860.37

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Solution

The fourth proportional to 478,793.24, 718,294.82 and 141,860.37 is: 212,821.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,793.24 : 718,294.82 = 141,860.37 : x
  2. Step 2: Convert to fraction form
    478,793.24/718,294.82 = 141,860.37/x
  3. Step 3: Cross multiply
    478,793.24x = 718,294.82 × 141,860.37
  4. Step 4: Simplify right side
    478,793.24x = 101,897,568,224.98
  5. Step 5: Solve for x
    x = 101,897,568,224.98/478,793.24
  6. Step 6: Final answer
    x = 212,821.65

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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.