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Finding the Fourth Proportional to 267,093.64, 400,836.48 and 215,130.52

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Solution

The fourth proportional to 267,093.64, 400,836.48 and 215,130.52 is: 322,853.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,093.64 : 400,836.48 = 215,130.52 : x
  2. Step 2: Convert to fraction form
    267,093.64/400,836.48 = 215,130.52/x
  3. Step 3: Cross multiply
    267,093.64x = 400,836.48 × 215,130.52
  4. Step 4: Simplify right side
    267,093.64x = 86,232,160,377.37
  5. Step 5: Solve for x
    x = 86,232,160,377.37/267,093.64
  6. Step 6: Final answer
    x = 322,853.66

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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.