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Finding the Fourth Proportional to 267,321, 400,670.46 and 109,358.04

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Solution

The fourth proportional to 267,321, 400,670.46 and 109,358.04 is: 163,909.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,321 : 400,670.46 = 109,358.04 : x
  2. Step 2: Convert to fraction form
    267,321/400,670.46 = 109,358.04/x
  3. Step 3: Cross multiply
    267,321x = 400,670.46 × 109,358.04
  4. Step 4: Simplify right side
    267,321x = 43,816,536,191.50
  5. Step 5: Solve for x
    x = 43,816,536,191.50/267,321
  6. Step 6: Final answer
    x = 163,909.82

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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.