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Finding the Fourth Proportional to 306,027.81, 422,291.49 and 170,053.14

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Solution

The fourth proportional to 306,027.81, 422,291.49 and 170,053.14 is: 234,658.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,027.81 : 422,291.49 = 170,053.14 : x
  2. Step 2: Convert to fraction form
    306,027.81/422,291.49 = 170,053.14/x
  3. Step 3: Cross multiply
    306,027.81x = 422,291.49 × 170,053.14
  4. Step 4: Simplify right side
    306,027.81x = 71,811,993,869.78
  5. Step 5: Solve for x
    x = 71,811,993,869.78/306,027.81
  6. Step 6: Final answer
    x = 234,658.39

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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.