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Finding the Fourth Proportional to 579,866.88, 799,876.48 and 364,665.60

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Solution

The fourth proportional to 579,866.88, 799,876.48 and 364,665.60 is: 503,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,866.88 : 799,876.48 = 364,665.60 : x
  2. Step 2: Convert to fraction form
    579,866.88/799,876.48 = 364,665.60/x
  3. Step 3: Cross multiply
    579,866.88x = 799,876.48 × 364,665.60
  4. Step 4: Simplify right side
    579,866.88x = 291,687,436,505.09
  5. Step 5: Solve for x
    x = 291,687,436,505.09/579,866.88
  6. Step 6: Final answer
    x = 503,024.83

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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.