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Finding the Fourth Proportional to 568,195.38, 784,243.82 and 326,618.10

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Solution

The fourth proportional to 568,195.38, 784,243.82 and 326,618.10 is: 450,810.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,195.38 : 784,243.82 = 326,618.10 : x
  2. Step 2: Convert to fraction form
    568,195.38/784,243.82 = 326,618.10/x
  3. Step 3: Cross multiply
    568,195.38x = 784,243.82 × 326,618.10
  4. Step 4: Simplify right side
    568,195.38x = 256,148,227,241.69
  5. Step 5: Solve for x
    x = 256,148,227,241.69/568,195.38
  6. Step 6: Final answer
    x = 450,810.12

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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.