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Finding the Fourth Proportional to 445,010.64, 667,442.18 and 160,646.74

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Solution

The fourth proportional to 445,010.64, 667,442.18 and 160,646.74 is: 240,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,010.64 : 667,442.18 = 160,646.74 : x
  2. Step 2: Convert to fraction form
    445,010.64/667,442.18 = 160,646.74/x
  3. Step 3: Cross multiply
    445,010.64x = 667,442.18 × 160,646.74
  4. Step 4: Simplify right side
    445,010.64x = 107,222,410,355.49
  5. Step 5: Solve for x
    x = 107,222,410,355.49/445,010.64
  6. Step 6: Final answer
    x = 240,943.48

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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.