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Finding the Fourth Proportional to 327,561.84, 491,352.48 and 127,874.16

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Solution

The fourth proportional to 327,561.84, 491,352.48 and 127,874.16 is: 191,815.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,561.84 : 491,352.48 = 127,874.16 : x
  2. Step 2: Convert to fraction form
    327,561.84/491,352.48 = 127,874.16/x
  3. Step 3: Cross multiply
    327,561.84x = 491,352.48 × 127,874.16
  4. Step 4: Simplify right side
    327,561.84x = 62,831,285,643.92
  5. Step 5: Solve for x
    x = 62,831,285,643.92/327,561.84
  6. Step 6: Final answer
    x = 191,815.03

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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.