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Finding the Fourth Proportional to 342,885.91, 514,525.77 and 267,795.26

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Solution

The fourth proportional to 342,885.91, 514,525.77 and 267,795.26 is: 401,846.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,885.91 : 514,525.77 = 267,795.26 : x
  2. Step 2: Convert to fraction form
    342,885.91/514,525.77 = 267,795.26/x
  3. Step 3: Cross multiply
    342,885.91x = 514,525.77 × 267,795.26
  4. Step 4: Simplify right side
    342,885.91x = 137,787,564,604.90
  5. Step 5: Solve for x
    x = 137,787,564,604.90/342,885.91
  6. Step 6: Final answer
    x = 401,846.68

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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.