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Finding the Fourth Proportional to 568,452.12, 784,464.98 and 313,803.60

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Solution

The fourth proportional to 568,452.12, 784,464.98 and 313,803.60 is: 433,049.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,452.12 : 784,464.98 = 313,803.60 : x
  2. Step 2: Convert to fraction form
    568,452.12/784,464.98 = 313,803.60/x
  3. Step 3: Cross multiply
    568,452.12x = 784,464.98 × 313,803.60
  4. Step 4: Simplify right side
    568,452.12x = 246,167,934,797.93
  5. Step 5: Solve for x
    x = 246,167,934,797.93/568,452.12
  6. Step 6: Final answer
    x = 433,049.55

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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.