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Finding the Fourth Proportional to 327,165.96, 490,548 and 127,253.34

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Solution

The fourth proportional to 327,165.96, 490,548 and 127,253.34 is: 190,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,165.96 : 490,548 = 127,253.34 : x
  2. Step 2: Convert to fraction form
    327,165.96/490,548 = 127,253.34/x
  3. Step 3: Cross multiply
    327,165.96x = 490,548 × 127,253.34
  4. Step 4: Simplify right side
    327,165.96x = 62,423,871,430.32
  5. Step 5: Solve for x
    x = 62,423,871,430.32/327,165.96
  6. Step 6: Final answer
    x = 190,801.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.