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Finding the Fourth Proportional to 524,635.43, 786,615.89 and 344,508.03

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Solution

The fourth proportional to 524,635.43, 786,615.89 and 344,508.03 is: 516,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,635.43 : 786,615.89 = 344,508.03 : x
  2. Step 2: Convert to fraction form
    524,635.43/786,615.89 = 344,508.03/x
  3. Step 3: Cross multiply
    524,635.43x = 786,615.89 × 344,508.03
  4. Step 4: Simplify right side
    524,635.43x = 270,995,488,908.06
  5. Step 5: Solve for x
    x = 270,995,488,908.06/524,635.43
  6. Step 6: Final answer
    x = 516,540.58

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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.