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Finding the Fourth Proportional to 568,558.50, 784,610.51 and 326,888.32

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Solution

The fourth proportional to 568,558.50, 784,610.51 and 326,888.32 is: 451,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,558.50 : 784,610.51 = 326,888.32 : x
  2. Step 2: Convert to fraction form
    568,558.50/784,610.51 = 326,888.32/x
  3. Step 3: Cross multiply
    568,558.50x = 784,610.51 × 326,888.32
  4. Step 4: Simplify right side
    568,558.50x = 256,480,011,468.24
  5. Step 5: Solve for x
    x = 256,480,011,468.24/568,558.50
  6. Step 6: Final answer
    x = 451,105.76

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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.