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Finding the Fourth Proportional to 400,832.36, 601,248.60 and 101,313.80

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Solution

The fourth proportional to 400,832.36, 601,248.60 and 101,313.80 is: 151,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,832.36 : 601,248.60 = 101,313.80 : x
  2. Step 2: Convert to fraction form
    400,832.36/601,248.60 = 101,313.80/x
  3. Step 3: Cross multiply
    400,832.36x = 601,248.60 × 101,313.80
  4. Step 4: Simplify right side
    400,832.36x = 60,914,780,410.68
  5. Step 5: Solve for x
    x = 60,914,780,410.68/400,832.36
  6. Step 6: Final answer
    x = 151,970.72

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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.