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Finding the Fourth Proportional to 352,404.72, 486,327.36 and 191,266.56

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Solution

The fourth proportional to 352,404.72, 486,327.36 and 191,266.56 is: 263,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,404.72 : 486,327.36 = 191,266.56 : x
  2. Step 2: Convert to fraction form
    352,404.72/486,327.36 = 191,266.56/x
  3. Step 3: Cross multiply
    352,404.72x = 486,327.36 × 191,266.56
  4. Step 4: Simplify right side
    352,404.72x = 93,018,161,181.08
  5. Step 5: Solve for x
    x = 93,018,161,181.08/352,404.72
  6. Step 6: Final answer
    x = 263,952.65

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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.