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Finding the Fourth Proportional to 306,214.20, 422,599.23 and 183,711.17

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Solution

The fourth proportional to 306,214.20, 422,599.23 and 183,711.17 is: 253,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,214.20 : 422,599.23 = 183,711.17 : x
  2. Step 2: Convert to fraction form
    306,214.20/422,599.23 = 183,711.17/x
  3. Step 3: Cross multiply
    306,214.20x = 422,599.23 × 183,711.17
  4. Step 4: Simplify right side
    306,214.20x = 77,636,196,871.40
  5. Step 5: Solve for x
    x = 77,636,196,871.40/306,214.20
  6. Step 6: Final answer
    x = 253,535.59

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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.