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Finding the Fourth Proportional to 511,976.32, 768,307.20 and 179,552.32

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Solution

The fourth proportional to 511,976.32, 768,307.20 and 179,552.32 is: 269,448.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,976.32 : 768,307.20 = 179,552.32 : x
  2. Step 2: Convert to fraction form
    511,976.32/768,307.20 = 179,552.32/x
  3. Step 3: Cross multiply
    511,976.32x = 768,307.20 × 179,552.32
  4. Step 4: Simplify right side
    511,976.32x = 137,951,340,232.70
  5. Step 5: Solve for x
    x = 137,951,340,232.70/511,976.32
  6. Step 6: Final answer
    x = 269,448.67

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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.