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Finding the Fourth Proportional to 568,196.13, 784,244.86 and 326,618.85

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Solution

The fourth proportional to 568,196.13, 784,244.86 and 326,618.85 is: 450,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,196.13 : 784,244.86 = 326,618.85 : x
  2. Step 2: Convert to fraction form
    568,196.13/784,244.86 = 326,618.85/x
  3. Step 3: Cross multiply
    568,196.13x = 784,244.86 × 326,618.85
  4. Step 4: Simplify right side
    568,196.13x = 256,149,153,475.06
  5. Step 5: Solve for x
    x = 256,149,153,475.06/568,196.13
  6. Step 6: Final answer
    x = 450,811.15

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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.