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Finding the Fourth Proportional to 264,296.34, 396,440.96 and 64,618.44

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Solution

The fourth proportional to 264,296.34, 396,440.96 and 64,618.44 is: 96,926.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,296.34 : 396,440.96 = 64,618.44 : x
  2. Step 2: Convert to fraction form
    264,296.34/396,440.96 = 64,618.44/x
  3. Step 3: Cross multiply
    264,296.34x = 396,440.96 × 64,618.44
  4. Step 4: Simplify right side
    264,296.34x = 25,617,396,064.21
  5. Step 5: Solve for x
    x = 25,617,396,064.21/264,296.34
  6. Step 6: Final answer
    x = 96,926.79

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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.