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Finding the Fourth Proportional to 352,243.78, 486,097.35 and 191,098.83

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Solution

The fourth proportional to 352,243.78, 486,097.35 and 191,098.83 is: 263,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,243.78 : 486,097.35 = 191,098.83 : x
  2. Step 2: Convert to fraction form
    352,243.78/486,097.35 = 191,098.83/x
  3. Step 3: Cross multiply
    352,243.78x = 486,097.35 × 191,098.83
  4. Step 4: Simplify right side
    352,243.78x = 92,892,634,297.98
  5. Step 5: Solve for x
    x = 92,892,634,297.98/352,243.78
  6. Step 6: Final answer
    x = 263,716.89

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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.