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Finding the Fourth Proportional to 483,615.80, 726,006.90 and 270,553.40

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Solution

The fourth proportional to 483,615.80, 726,006.90 and 270,553.40 is: 406,156.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,615.80 : 726,006.90 = 270,553.40 : x
  2. Step 2: Convert to fraction form
    483,615.80/726,006.90 = 270,553.40/x
  3. Step 3: Cross multiply
    483,615.80x = 726,006.90 × 270,553.40
  4. Step 4: Simplify right side
    483,615.80x = 196,423,635,218.46
  5. Step 5: Solve for x
    x = 196,423,635,218.46/483,615.80
  6. Step 6: Final answer
    x = 406,156.36

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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.