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Finding the Fourth Proportional to 338,234.67, 466,738.16 and 187,328.43

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Solution

The fourth proportional to 338,234.67, 466,738.16 and 187,328.43 is: 258,499.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,234.67 : 466,738.16 = 187,328.43 : x
  2. Step 2: Convert to fraction form
    338,234.67/466,738.16 = 187,328.43/x
  3. Step 3: Cross multiply
    338,234.67x = 466,738.16 × 187,328.43
  4. Step 4: Simplify right side
    338,234.67x = 87,433,325,797.25
  5. Step 5: Solve for x
    x = 87,433,325,797.25/338,234.67
  6. Step 6: Final answer
    x = 258,499.01

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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.