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Finding the Fourth Proportional to 352,816.80, 486,885.24 and 191,670.56

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Solution

The fourth proportional to 352,816.80, 486,885.24 and 191,670.56 is: 264,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,816.80 : 486,885.24 = 191,670.56 : x
  2. Step 2: Convert to fraction form
    352,816.80/486,885.24 = 191,670.56/x
  3. Step 3: Cross multiply
    352,816.80x = 486,885.24 × 191,670.56
  4. Step 4: Simplify right side
    352,816.80x = 93,321,566,606.53
  5. Step 5: Solve for x
    x = 93,321,566,606.53/352,816.80
  6. Step 6: Final answer
    x = 264,504.32

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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.