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Finding the Fourth Proportional to 340,548.68, 469,466.20 and 238,257.22

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Solution

The fourth proportional to 340,548.68, 469,466.20 and 238,257.22 is: 328,451.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,548.68 : 469,466.20 = 238,257.22 : x
  2. Step 2: Convert to fraction form
    340,548.68/469,466.20 = 238,257.22/x
  3. Step 3: Cross multiply
    340,548.68x = 469,466.20 × 238,257.22
  4. Step 4: Simplify right side
    340,548.68x = 111,853,711,695.96
  5. Step 5: Solve for x
    x = 111,853,711,695.96/340,548.68
  6. Step 6: Final answer
    x = 328,451.46

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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.