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Finding the Fourth Proportional to 479,765.41, 719,651.46 and 329,550.41

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Solution

The fourth proportional to 479,765.41, 719,651.46 and 329,550.41 is: 494,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,765.41 : 719,651.46 = 329,550.41 : x
  2. Step 2: Convert to fraction form
    479,765.41/719,651.46 = 329,550.41/x
  3. Step 3: Cross multiply
    479,765.41x = 719,651.46 × 329,550.41
  4. Step 4: Simplify right side
    479,765.41x = 237,161,433,700.10
  5. Step 5: Solve for x
    x = 237,161,433,700.10/479,765.41
  6. Step 6: Final answer
    x = 494,327.91

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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.