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Finding the Fourth Proportional to 486,593.28, 729,995.40 and 273,573

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Solution

The fourth proportional to 486,593.28, 729,995.40 and 273,573 is: 410,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,593.28 : 729,995.40 = 273,573 : x
  2. Step 2: Convert to fraction form
    486,593.28/729,995.40 = 273,573/x
  3. Step 3: Cross multiply
    486,593.28x = 729,995.40 × 273,573
  4. Step 4: Simplify right side
    486,593.28x = 199,707,031,564.20
  5. Step 5: Solve for x
    x = 199,707,031,564.20/486,593.28
  6. Step 6: Final answer
    x = 410,418.80

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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.