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Finding the Fourth Proportional to 215,349.60, 322,234.32 and 179,722.88

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Solution

The fourth proportional to 215,349.60, 322,234.32 and 179,722.88 is: 268,924.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,349.60 : 322,234.32 = 179,722.88 : x
  2. Step 2: Convert to fraction form
    215,349.60/322,234.32 = 179,722.88/x
  3. Step 3: Cross multiply
    215,349.60x = 322,234.32 × 179,722.88
  4. Step 4: Simplify right side
    215,349.60x = 57,912,880,025.24
  5. Step 5: Solve for x
    x = 57,912,880,025.24/215,349.60
  6. Step 6: Final answer
    x = 268,924.95

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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.