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Finding the Fourth Proportional to 479,108.86, 719,161.74 and 352,891.62

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Solution

The fourth proportional to 479,108.86, 719,161.74 and 352,891.62 is: 529,704.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,108.86 : 719,161.74 = 352,891.62 : x
  2. Step 2: Convert to fraction form
    479,108.86/719,161.74 = 352,891.62/x
  3. Step 3: Cross multiply
    479,108.86x = 719,161.74 × 352,891.62
  4. Step 4: Simplify right side
    479,108.86x = 253,786,151,470.62
  5. Step 5: Solve for x
    x = 253,786,151,470.62/479,108.86
  6. Step 6: Final answer
    x = 529,704.57

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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.