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Finding the Fourth Proportional to 361,860.61, 499,374.29 and 198,525.47

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Solution

The fourth proportional to 361,860.61, 499,374.29 and 198,525.47 is: 273,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,860.61 : 499,374.29 = 198,525.47 : x
  2. Step 2: Convert to fraction form
    361,860.61/499,374.29 = 198,525.47/x
  3. Step 3: Cross multiply
    361,860.61x = 499,374.29 × 198,525.47
  4. Step 4: Simplify right side
    361,860.61x = 99,138,515,883.97
  5. Step 5: Solve for x
    x = 99,138,515,883.97/361,860.61
  6. Step 6: Final answer
    x = 273,968.80

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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.