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Finding the Fourth Proportional to 579,842.88, 799,843.36 and 364,641.60

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Solution

The fourth proportional to 579,842.88, 799,843.36 and 364,641.60 is: 502,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,842.88 : 799,843.36 = 364,641.60 : x
  2. Step 2: Convert to fraction form
    579,842.88/799,843.36 = 364,641.60/x
  3. Step 3: Cross multiply
    579,842.88x = 799,843.36 × 364,641.60
  4. Step 4: Simplify right side
    579,842.88x = 291,656,162,539.78
  5. Step 5: Solve for x
    x = 291,656,162,539.78/579,842.88
  6. Step 6: Final answer
    x = 502,991.71

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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.