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Finding the Fourth Proportional to 264,464.96, 396,694.68 and 64,786.38

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Solution

The fourth proportional to 264,464.96, 396,694.68 and 64,786.38 is: 97,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,464.96 : 396,694.68 = 64,786.38 : x
  2. Step 2: Convert to fraction form
    264,464.96/396,694.68 = 64,786.38/x
  3. Step 3: Cross multiply
    264,464.96x = 396,694.68 × 64,786.38
  4. Step 4: Simplify right side
    264,464.96x = 25,700,412,282.46
  5. Step 5: Solve for x
    x = 25,700,412,282.46/264,464.96
  6. Step 6: Final answer
    x = 97,178.90

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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.