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Finding the Fourth Proportional to 740,662.56, 1,110,764.64 and 267,288

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Solution

The fourth proportional to 740,662.56, 1,110,764.64 and 267,288 is: 400,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,662.56 : 1,110,764.64 = 267,288 : x
  2. Step 2: Convert to fraction form
    740,662.56/1,110,764.64 = 267,288/x
  3. Step 3: Cross multiply
    740,662.56x = 1,110,764.64 × 267,288
  4. Step 4: Simplify right side
    740,662.56x = 296,894,059,096.32
  5. Step 5: Solve for x
    x = 296,894,059,096.32/740,662.56
  6. Step 6: Final answer
    x = 400,849.29

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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.