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Finding the Fourth Proportional to 2,982,215.20, 4,473,322.80 and 738,353.20

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Solution

The fourth proportional to 2,982,215.20, 4,473,322.80 and 738,353.20 is: 1,107,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982,215.20 : 4,473,322.80 = 738,353.20 : x
  2. Step 2: Convert to fraction form
    2,982,215.20/4,473,322.80 = 738,353.20/x
  3. Step 3: Cross multiply
    2,982,215.20x = 4,473,322.80 × 738,353.20
  4. Step 4: Simplify right side
    2,982,215.20x = 3,302,892,204,012.96
  5. Step 5: Solve for x
    x = 3,302,892,204,012.96/2,982,215.20
  6. Step 6: Final answer
    x = 1,107,529.80

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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.