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Finding the Fourth Proportional to 352,342.85, 486,234.44 and 191,197.93

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Solution

The fourth proportional to 352,342.85, 486,234.44 and 191,197.93 is: 263,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,342.85 : 486,234.44 = 191,197.93 : x
  2. Step 2: Convert to fraction form
    352,342.85/486,234.44 = 191,197.93/x
  3. Step 3: Cross multiply
    352,342.85x = 486,234.44 × 191,197.93
  4. Step 4: Simplify right side
    352,342.85x = 92,967,018,422.71
  5. Step 5: Solve for x
    x = 92,967,018,422.71/352,342.85
  6. Step 6: Final answer
    x = 263,853.85

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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.