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Finding the Fourth Proportional to 360,188.86, 540,440.03 and 170,781.91

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Solution

The fourth proportional to 360,188.86, 540,440.03 and 170,781.91 is: 256,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,188.86 : 540,440.03 = 170,781.91 : x
  2. Step 2: Convert to fraction form
    360,188.86/540,440.03 = 170,781.91/x
  3. Step 3: Cross multiply
    360,188.86x = 540,440.03 × 170,781.91
  4. Step 4: Simplify right side
    360,188.86x = 92,297,380,563.86
  5. Step 5: Solve for x
    x = 92,297,380,563.86/360,188.86
  6. Step 6: Final answer
    x = 256,247.18

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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.