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Finding the Fourth Proportional to 294,840.20, 442,260.30 and 73,224.20

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Solution

The fourth proportional to 294,840.20, 442,260.30 and 73,224.20 is: 109,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,840.20 : 442,260.30 = 73,224.20 : x
  2. Step 2: Convert to fraction form
    294,840.20/442,260.30 = 73,224.20/x
  3. Step 3: Cross multiply
    294,840.20x = 442,260.30 × 73,224.20
  4. Step 4: Simplify right side
    294,840.20x = 32,384,156,659.26
  5. Step 5: Solve for x
    x = 32,384,156,659.26/294,840.20
  6. Step 6: Final answer
    x = 109,836.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.