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Finding the Fourth Proportional to 484,222.40, 726,236.40 and 231,502.40

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Solution

The fourth proportional to 484,222.40, 726,236.40 and 231,502.40 is: 347,207.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,222.40 : 726,236.40 = 231,502.40 : x
  2. Step 2: Convert to fraction form
    484,222.40/726,236.40 = 231,502.40/x
  3. Step 3: Cross multiply
    484,222.40x = 726,236.40 × 231,502.40
  4. Step 4: Simplify right side
    484,222.40x = 168,125,469,567.36
  5. Step 5: Solve for x
    x = 168,125,469,567.36/484,222.40
  6. Step 6: Final answer
    x = 347,207.13

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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.