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Finding the Fourth Proportional to 306,211.59, 422,572.14 and 177,167.66

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Solution

The fourth proportional to 306,211.59, 422,572.14 and 177,167.66 is: 244,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,211.59 : 422,572.14 = 177,167.66 : x
  2. Step 2: Convert to fraction form
    306,211.59/422,572.14 = 177,167.66/x
  3. Step 3: Cross multiply
    306,211.59x = 422,572.14 × 177,167.66
  4. Step 4: Simplify right side
    306,211.59x = 74,866,115,112.13
  5. Step 5: Solve for x
    x = 74,866,115,112.13/306,211.59
  6. Step 6: Final answer
    x = 244,491.45

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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.