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Finding the Fourth Proportional to 621,676.66, 932,515 and 200,952.52

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Solution

The fourth proportional to 621,676.66, 932,515 and 200,952.52 is: 301,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,676.66 : 932,515 = 200,952.52 : x
  2. Step 2: Convert to fraction form
    621,676.66/932,515 = 200,952.52/x
  3. Step 3: Cross multiply
    621,676.66x = 932,515 × 200,952.52
  4. Step 4: Simplify right side
    621,676.66x = 187,391,239,187.80
  5. Step 5: Solve for x
    x = 187,391,239,187.80/621,676.66
  6. Step 6: Final answer
    x = 301,428.78

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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.