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Finding the Fourth Proportional to 568,191.27, 784,238.15 and 326,613.98

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Solution

The fourth proportional to 568,191.27, 784,238.15 and 326,613.98 is: 450,804.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,191.27 : 784,238.15 = 326,613.98 : x
  2. Step 2: Convert to fraction form
    568,191.27/784,238.15 = 326,613.98/x
  3. Step 3: Cross multiply
    568,191.27x = 784,238.15 × 326,613.98
  4. Step 4: Simplify right side
    568,191.27x = 256,143,137,885.08
  5. Step 5: Solve for x
    x = 256,143,137,885.08/568,191.27
  6. Step 6: Final answer
    x = 450,804.42

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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.