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Finding the Fourth Proportional to 259,576.85, 358,378.22 and 199,031.12

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Solution

The fourth proportional to 259,576.85, 358,378.22 and 199,031.12 is: 274,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,576.85 : 358,378.22 = 199,031.12 : x
  2. Step 2: Convert to fraction form
    259,576.85/358,378.22 = 199,031.12/x
  3. Step 3: Cross multiply
    259,576.85x = 358,378.22 × 199,031.12
  4. Step 4: Simplify right side
    259,576.85x = 71,328,420,575.69
  5. Step 5: Solve for x
    x = 71,328,420,575.69/259,576.85
  6. Step 6: Final answer
    x = 274,787.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.