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Finding the Fourth Proportional to 352,892.77, 486,991.04 and 191,748.36

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Solution

The fourth proportional to 352,892.77, 486,991.04 and 191,748.36 is: 264,612.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,892.77 : 486,991.04 = 191,748.36 : x
  2. Step 2: Convert to fraction form
    352,892.77/486,991.04 = 191,748.36/x
  3. Step 3: Cross multiply
    352,892.77x = 486,991.04 × 191,748.36
  4. Step 4: Simplify right side
    352,892.77x = 93,379,734,122.17
  5. Step 5: Solve for x
    x = 93,379,734,122.17/352,892.77
  6. Step 6: Final answer
    x = 264,612.21

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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.