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Finding the Fourth Proportional to 400,245.06, 600,367.59 and 189,768.18

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Solution

The fourth proportional to 400,245.06, 600,367.59 and 189,768.18 is: 284,652.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,245.06 : 600,367.59 = 189,768.18 : x
  2. Step 2: Convert to fraction form
    400,245.06/600,367.59 = 189,768.18/x
  3. Step 3: Cross multiply
    400,245.06x = 600,367.59 × 189,768.18
  4. Step 4: Simplify right side
    400,245.06x = 113,930,664,885.29
  5. Step 5: Solve for x
    x = 113,930,664,885.29/400,245.06
  6. Step 6: Final answer
    x = 284,652.27

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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.