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Finding the Fourth Proportional to 484,334.56, 726,502.42 and 231,555.60

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Solution

The fourth proportional to 484,334.56, 726,502.42 and 231,555.60 is: 347,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,334.56 : 726,502.42 = 231,555.60 : x
  2. Step 2: Convert to fraction form
    484,334.56/726,502.42 = 231,555.60/x
  3. Step 3: Cross multiply
    484,334.56x = 726,502.42 × 231,555.60
  4. Step 4: Simplify right side
    484,334.56x = 168,225,703,764.55
  5. Step 5: Solve for x
    x = 168,225,703,764.55/484,334.56
  6. Step 6: Final answer
    x = 347,333.68

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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.