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Finding the Fourth Proportional to 619,589.55, 929,277 and 170,203.44

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Solution

The fourth proportional to 619,589.55, 929,277 and 170,203.44 is: 255,275.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,589.55 : 929,277 = 170,203.44 : x
  2. Step 2: Convert to fraction form
    619,589.55/929,277 = 170,203.44/x
  3. Step 3: Cross multiply
    619,589.55x = 929,277 × 170,203.44
  4. Step 4: Simplify right side
    619,589.55x = 158,166,142,112.88
  5. Step 5: Solve for x
    x = 158,166,142,112.88/619,589.55
  6. Step 6: Final answer
    x = 255,275.68

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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.