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Finding the Fourth Proportional to 400,353.21, 600,529.95 and 100,836.27

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Solution

The fourth proportional to 400,353.21, 600,529.95 and 100,836.27 is: 151,254.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,353.21 : 600,529.95 = 100,836.27 : x
  2. Step 2: Convert to fraction form
    400,353.21/600,529.95 = 100,836.27/x
  3. Step 3: Cross multiply
    400,353.21x = 600,529.95 × 100,836.27
  4. Step 4: Simplify right side
    400,353.21x = 60,555,200,181.29
  5. Step 5: Solve for x
    x = 60,555,200,181.29/400,353.21
  6. Step 6: Final answer
    x = 151,254.44

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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.