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Finding the Fourth Proportional to 352,446.89, 486,363.66 and 191,298.53

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Solution

The fourth proportional to 352,446.89, 486,363.66 and 191,298.53 is: 263,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,446.89 : 486,363.66 = 191,298.53 : x
  2. Step 2: Convert to fraction form
    352,446.89/486,363.66 = 191,298.53/x
  3. Step 3: Cross multiply
    352,446.89x = 486,363.66 × 191,298.53
  4. Step 4: Simplify right side
    352,446.89x = 93,040,650,771.60
  5. Step 5: Solve for x
    x = 93,040,650,771.60/352,446.89
  6. Step 6: Final answer
    x = 263,984.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.