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Finding the Fourth Proportional to 400,279.15, 600,366.89 and 150,928.75

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Solution

The fourth proportional to 400,279.15, 600,366.89 and 150,928.75 is: 226,373.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,279.15 : 600,366.89 = 150,928.75 : x
  2. Step 2: Convert to fraction form
    400,279.15/600,366.89 = 150,928.75/x
  3. Step 3: Cross multiply
    400,279.15x = 600,366.89 × 150,928.75
  4. Step 4: Simplify right side
    400,279.15x = 90,612,623,494.44
  5. Step 5: Solve for x
    x = 90,612,623,494.44/400,279.15
  6. Step 6: Final answer
    x = 226,373.58

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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.