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Finding the Fourth Proportional to 352,327.96, 486,208.74 and 191,186.56

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Solution

The fourth proportional to 352,327.96, 486,208.74 and 191,186.56 is: 263,835.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,327.96 : 486,208.74 = 191,186.56 : x
  2. Step 2: Convert to fraction form
    352,327.96/486,208.74 = 191,186.56/x
  3. Step 3: Cross multiply
    352,327.96x = 486,208.74 × 191,186.56
  4. Step 4: Simplify right side
    352,327.96x = 92,956,576,442.53
  5. Step 5: Solve for x
    x = 92,956,576,442.53/352,327.96
  6. Step 6: Final answer
    x = 263,835.37

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1.5x scale

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.