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Finding the Fourth Proportional to 338,135, 466,626.30 and 187,232

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Solution

The fourth proportional to 338,135, 466,626.30 and 187,232 is: 258,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,135 : 466,626.30 = 187,232 : x
  2. Step 2: Convert to fraction form
    338,135/466,626.30 = 187,232/x
  3. Step 3: Cross multiply
    338,135x = 466,626.30 × 187,232
  4. Step 4: Simplify right side
    338,135x = 87,367,375,401.60
  5. Step 5: Solve for x
    x = 87,367,375,401.60/338,135
  6. Step 6: Final answer
    x = 258,380.16

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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.