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Finding the Fourth Proportional to 352,522.41, 486,484.43 and 191,378.79

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Solution

The fourth proportional to 352,522.41, 486,484.43 and 191,378.79 is: 264,104.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,522.41 : 486,484.43 = 191,378.79 : x
  2. Step 2: Convert to fraction form
    352,522.41/486,484.43 = 191,378.79/x
  3. Step 3: Cross multiply
    352,522.41x = 486,484.43 × 191,378.79
  4. Step 4: Simplify right side
    352,522.41x = 93,102,800,610.35
  5. Step 5: Solve for x
    x = 93,102,800,610.35/352,522.41
  6. Step 6: Final answer
    x = 264,104.63

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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.