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Finding the Fourth Proportional to 666,652.54, 1,000,103.32 and 267,324.56

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Solution

The fourth proportional to 666,652.54, 1,000,103.32 and 267,324.56 is: 401,036.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,652.54 : 1,000,103.32 = 267,324.56 : x
  2. Step 2: Convert to fraction form
    666,652.54/1,000,103.32 = 267,324.56/x
  3. Step 3: Cross multiply
    666,652.54x = 1,000,103.32 × 267,324.56
  4. Step 4: Simplify right side
    666,652.54x = 267,352,179,973.54
  5. Step 5: Solve for x
    x = 267,352,179,973.54/666,652.54
  6. Step 6: Final answer
    x = 401,036.77

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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.