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Finding the Fourth Proportional to 352,735.16, 486,767.88 and 199,771.11

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Solution

The fourth proportional to 352,735.16, 486,767.88 and 199,771.11 is: 275,680.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,735.16 : 486,767.88 = 199,771.11 : x
  2. Step 2: Convert to fraction form
    352,735.16/486,767.88 = 199,771.11/x
  3. Step 3: Cross multiply
    352,735.16x = 486,767.88 × 199,771.11
  4. Step 4: Simplify right side
    352,735.16x = 97,242,159,699.95
  5. Step 5: Solve for x
    x = 97,242,159,699.95/352,735.16
  6. Step 6: Final answer
    x = 275,680.37

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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.