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Finding the Fourth Proportional to 352,806.58, 486,876.45 and 191,662.84

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Solution

The fourth proportional to 352,806.58, 486,876.45 and 191,662.84 is: 264,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,806.58 : 486,876.45 = 191,662.84 : x
  2. Step 2: Convert to fraction form
    352,806.58/486,876.45 = 191,662.84/x
  3. Step 3: Cross multiply
    352,806.58x = 486,876.45 × 191,662.84
  4. Step 4: Simplify right side
    352,806.58x = 93,316,123,136.12
  5. Step 5: Solve for x
    x = 93,316,123,136.12/352,806.58
  6. Step 6: Final answer
    x = 264,496.55

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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.