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Finding the Fourth Proportional to 352,771.87, 486,828.80 and 191,630.11

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Solution

The fourth proportional to 352,771.87, 486,828.80 and 191,630.11 is: 264,451.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,771.87 : 486,828.80 = 191,630.11 : x
  2. Step 2: Convert to fraction form
    352,771.87/486,828.80 = 191,630.11/x
  3. Step 3: Cross multiply
    352,771.87x = 486,828.80 × 191,630.11
  4. Step 4: Simplify right side
    352,771.87x = 93,291,054,540.10
  5. Step 5: Solve for x
    x = 93,291,054,540.10/352,771.87
  6. Step 6: Final answer
    x = 264,451.52

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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.