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Finding the Fourth Proportional to 468,866.72, 703,300.05 and 216,072.41

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Solution

The fourth proportional to 468,866.72, 703,300.05 and 216,072.41 is: 324,108.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,866.72 : 703,300.05 = 216,072.41 : x
  2. Step 2: Convert to fraction form
    468,866.72/703,300.05 = 216,072.41/x
  3. Step 3: Cross multiply
    468,866.72x = 703,300.05 × 216,072.41
  4. Step 4: Simplify right side
    468,866.72x = 151,963,738,107.74
  5. Step 5: Solve for x
    x = 151,963,738,107.74/468,866.72
  6. Step 6: Final answer
    x = 324,108.61

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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.