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Finding the Fourth Proportional to 445,257.64, 667,490.05 and 160,884.77

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Solution

The fourth proportional to 445,257.64, 667,490.05 and 160,884.77 is: 241,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,257.64 : 667,490.05 = 160,884.77 : x
  2. Step 2: Convert to fraction form
    445,257.64/667,490.05 = 160,884.77/x
  3. Step 3: Cross multiply
    445,257.64x = 667,490.05 × 160,884.77
  4. Step 4: Simplify right side
    445,257.64x = 107,388,980,035.19
  5. Step 5: Solve for x
    x = 107,388,980,035.19/445,257.64
  6. Step 6: Final answer
    x = 241,183.91

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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.