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Finding the Fourth Proportional to 327,255.30, 490,881.15 and 90,596.34

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Solution

The fourth proportional to 327,255.30, 490,881.15 and 90,596.34 is: 135,894.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,255.30 : 490,881.15 = 90,596.34 : x
  2. Step 2: Convert to fraction form
    327,255.30/490,881.15 = 90,596.34/x
  3. Step 3: Cross multiply
    327,255.30x = 490,881.15 × 90,596.34
  4. Step 4: Simplify right side
    327,255.30x = 44,472,035,564.99
  5. Step 5: Solve for x
    x = 44,472,035,564.99/327,255.30
  6. Step 6: Final answer
    x = 135,894.01

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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.