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Finding the Fourth Proportional to 580,349.28, 800,960.22 and 325,714.44

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Solution

The fourth proportional to 580,349.28, 800,960.22 and 325,714.44 is: 449,529.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,349.28 : 800,960.22 = 325,714.44 : x
  2. Step 2: Convert to fraction form
    580,349.28/800,960.22 = 325,714.44/x
  3. Step 3: Cross multiply
    580,349.28x = 800,960.22 × 325,714.44
  4. Step 4: Simplify right side
    580,349.28x = 260,884,309,519.58
  5. Step 5: Solve for x
    x = 260,884,309,519.58/580,349.28
  6. Step 6: Final answer
    x = 449,529.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.