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Finding the Fourth Proportional to 359,906.56, 539,804.50 and 120,024.66

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Solution

The fourth proportional to 359,906.56, 539,804.50 and 120,024.66 is: 180,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,906.56 : 539,804.50 = 120,024.66 : x
  2. Step 2: Convert to fraction form
    359,906.56/539,804.50 = 120,024.66/x
  3. Step 3: Cross multiply
    359,906.56x = 539,804.50 × 120,024.66
  4. Step 4: Simplify right side
    359,906.56x = 64,789,851,578.97
  5. Step 5: Solve for x
    x = 64,789,851,578.97/359,906.56
  6. Step 6: Final answer
    x = 180,018.53

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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.