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Finding the Fourth Proportional to 354,003.56, 530,921.46 and 101,276.24

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Solution

The fourth proportional to 354,003.56, 530,921.46 and 101,276.24 is: 151,890.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,003.56 : 530,921.46 = 101,276.24 : x
  2. Step 2: Convert to fraction form
    354,003.56/530,921.46 = 101,276.24/x
  3. Step 3: Cross multiply
    354,003.56x = 530,921.46 × 101,276.24
  4. Step 4: Simplify right side
    354,003.56x = 53,769,729,204.11
  5. Step 5: Solve for x
    x = 53,769,729,204.11/354,003.56
  6. Step 6: Final answer
    x = 151,890.36

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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.