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Finding the Fourth Proportional to 483,079.46, 724,619.21 and 183,489.18

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Solution

The fourth proportional to 483,079.46, 724,619.21 and 183,489.18 is: 275,233.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,079.46 : 724,619.21 = 183,489.18 : x
  2. Step 2: Convert to fraction form
    483,079.46/724,619.21 = 183,489.18/x
  3. Step 3: Cross multiply
    483,079.46x = 724,619.21 × 183,489.18
  4. Step 4: Simplify right side
    483,079.46x = 132,959,784,655.15
  5. Step 5: Solve for x
    x = 132,959,784,655.15/483,079.46
  6. Step 6: Final answer
    x = 275,233.78

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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.