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Finding the Fourth Proportional to 482,868.43, 725,013.66 and 270,053.30

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Solution

The fourth proportional to 482,868.43, 725,013.66 and 270,053.30 is: 405,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,868.43 : 725,013.66 = 270,053.30 : x
  2. Step 2: Convert to fraction form
    482,868.43/725,013.66 = 270,053.30/x
  3. Step 3: Cross multiply
    482,868.43x = 725,013.66 × 270,053.30
  4. Step 4: Simplify right side
    482,868.43x = 195,792,331,428.08
  5. Step 5: Solve for x
    x = 195,792,331,428.08/482,868.43
  6. Step 6: Final answer
    x = 405,477.60

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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.