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Finding the Fourth Proportional to 619,777.68, 929,544.12 and 170,382.60

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Solution

The fourth proportional to 619,777.68, 929,544.12 and 170,382.60 is: 255,540.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,777.68 : 929,544.12 = 170,382.60 : x
  2. Step 2: Convert to fraction form
    619,777.68/929,544.12 = 170,382.60/x
  3. Step 3: Cross multiply
    619,777.68x = 929,544.12 × 170,382.60
  4. Step 4: Simplify right side
    619,777.68x = 158,378,143,980.31
  5. Step 5: Solve for x
    x = 158,378,143,980.31/619,777.68
  6. Step 6: Final answer
    x = 255,540.25

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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.