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Finding the Fourth Proportional to 267,296.82, 400,664.46 and 98,709.69

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Solution

The fourth proportional to 267,296.82, 400,664.46 and 98,709.69 is: 147,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,296.82 : 400,664.46 = 98,709.69 : x
  2. Step 2: Convert to fraction form
    267,296.82/400,664.46 = 98,709.69/x
  3. Step 3: Cross multiply
    267,296.82x = 400,664.46 × 98,709.69
  4. Step 4: Simplify right side
    267,296.82x = 39,549,464,640.62
  5. Step 5: Solve for x
    x = 39,549,464,640.62/267,296.82
  6. Step 6: Final answer
    x = 147,960.85

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1.5x scale

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.