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Finding the Fourth Proportional to 479,109.86, 719,163.24 and 352,892.62

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Solution

The fourth proportional to 479,109.86, 719,163.24 and 352,892.62 is: 529,706.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,109.86 : 719,163.24 = 352,892.62 : x
  2. Step 2: Convert to fraction form
    479,109.86/719,163.24 = 352,892.62/x
  3. Step 3: Cross multiply
    479,109.86x = 719,163.24 × 352,892.62
  4. Step 4: Simplify right side
    479,109.86x = 253,787,399,971.29
  5. Step 5: Solve for x
    x = 253,787,399,971.29/479,109.86
  6. Step 6: Final answer
    x = 529,706.07

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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.