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Finding the Fourth Proportional to 593,086.60, 889,716.30 and 193,745.80

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Solution

The fourth proportional to 593,086.60, 889,716.30 and 193,745.80 is: 290,646.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,086.60 : 889,716.30 = 193,745.80 : x
  2. Step 2: Convert to fraction form
    593,086.60/889,716.30 = 193,745.80/x
  3. Step 3: Cross multiply
    593,086.60x = 889,716.30 × 193,745.80
  4. Step 4: Simplify right side
    593,086.60x = 172,378,796,316.54
  5. Step 5: Solve for x
    x = 172,378,796,316.54/593,086.60
  6. Step 6: Final answer
    x = 290,646.92

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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.