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Finding the Fourth Proportional to 267,523.60, 401,285.40 and 238,493.20

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Solution

The fourth proportional to 267,523.60, 401,285.40 and 238,493.20 is: 357,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,523.60 : 401,285.40 = 238,493.20 : x
  2. Step 2: Convert to fraction form
    267,523.60/401,285.40 = 238,493.20/x
  3. Step 3: Cross multiply
    267,523.60x = 401,285.40 × 238,493.20
  4. Step 4: Simplify right side
    267,523.60x = 95,703,839,159.28
  5. Step 5: Solve for x
    x = 95,703,839,159.28/267,523.60
  6. Step 6: Final answer
    x = 357,739.80

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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.