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Finding the Fourth Proportional to 512,546.72, 768,820.08 and 232,057.76

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Solution

The fourth proportional to 512,546.72, 768,820.08 and 232,057.76 is: 348,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,546.72 : 768,820.08 = 232,057.76 : x
  2. Step 2: Convert to fraction form
    512,546.72/768,820.08 = 232,057.76/x
  3. Step 3: Cross multiply
    512,546.72x = 768,820.08 × 232,057.76
  4. Step 4: Simplify right side
    512,546.72x = 178,410,665,607.82
  5. Step 5: Solve for x
    x = 178,410,665,607.82/512,546.72
  6. Step 6: Final answer
    x = 348,086.64

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Similar ratio
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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.