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Finding the Fourth Proportional to 400,171.07, 600,212.37 and 100,651.77

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Solution

The fourth proportional to 400,171.07, 600,212.37 and 100,651.77 is: 150,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,171.07 : 600,212.37 = 100,651.77 : x
  2. Step 2: Convert to fraction form
    400,171.07/600,212.37 = 100,651.77/x
  3. Step 3: Cross multiply
    400,171.07x = 600,212.37 × 100,651.77
  4. Step 4: Simplify right side
    400,171.07x = 60,412,437,416.39
  5. Step 5: Solve for x
    x = 60,412,437,416.39/400,171.07
  6. Step 6: Final answer
    x = 150,966.53

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1.5x scale

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.