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Finding the Fourth Proportional to 580,661.08, 801,306.30 and 326,006.36

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Solution

The fourth proportional to 580,661.08, 801,306.30 and 326,006.36 is: 449,885.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,661.08 : 801,306.30 = 326,006.36 : x
  2. Step 2: Convert to fraction form
    580,661.08/801,306.30 = 326,006.36/x
  3. Step 3: Cross multiply
    580,661.08x = 801,306.30 × 326,006.36
  4. Step 4: Simplify right side
    580,661.08x = 261,230,950,108.07
  5. Step 5: Solve for x
    x = 261,230,950,108.07/580,661.08
  6. Step 6: Final answer
    x = 449,885.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.