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Finding the Fourth Proportional to 360,662.28, 540,777.42 and 171,169.80

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Solution

The fourth proportional to 360,662.28, 540,777.42 and 171,169.80 is: 256,652.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,662.28 : 540,777.42 = 171,169.80 : x
  2. Step 2: Convert to fraction form
    360,662.28/540,777.42 = 171,169.80/x
  3. Step 3: Cross multiply
    360,662.28x = 540,777.42 × 171,169.80
  4. Step 4: Simplify right side
    360,662.28x = 92,564,762,825.92
  5. Step 5: Solve for x
    x = 92,564,762,825.92/360,662.28
  6. Step 6: Final answer
    x = 256,652.19

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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.