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Finding the Fourth Proportional to 273,288.96, 409,899.52 and 73,624.96

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Solution

The fourth proportional to 273,288.96, 409,899.52 and 73,624.96 is: 110,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,288.96 : 409,899.52 = 73,624.96 : x
  2. Step 2: Convert to fraction form
    273,288.96/409,899.52 = 73,624.96/x
  3. Step 3: Cross multiply
    273,288.96x = 409,899.52 × 73,624.96
  4. Step 4: Simplify right side
    273,288.96x = 30,178,835,764.02
  5. Step 5: Solve for x
    x = 30,178,835,764.02/273,288.96
  6. Step 6: Final answer
    x = 110,428.30

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Why These Related Problems?

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