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Finding the Fourth Proportional to 267,610.60, 401,415.90 and 263,463.40

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Solution

The fourth proportional to 267,610.60, 401,415.90 and 263,463.40 is: 395,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,610.60 : 401,415.90 = 263,463.40 : x
  2. Step 2: Convert to fraction form
    267,610.60/401,415.90 = 263,463.40/x
  3. Step 3: Cross multiply
    267,610.60x = 401,415.90 × 263,463.40
  4. Step 4: Simplify right side
    267,610.60x = 105,758,397,828.06
  5. Step 5: Solve for x
    x = 105,758,397,828.06/267,610.60
  6. Step 6: Final answer
    x = 395,195.10

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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.