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Finding the Fourth Proportional to 568,189.56, 784,074.96 and 326,301.60

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Solution

The fourth proportional to 568,189.56, 784,074.96 and 326,301.60 is: 450,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,189.56 : 784,074.96 = 326,301.60 : x
  2. Step 2: Convert to fraction form
    568,189.56/784,074.96 = 326,301.60/x
  3. Step 3: Cross multiply
    568,189.56x = 784,074.96 × 326,301.60
  4. Step 4: Simplify right side
    568,189.56x = 255,844,913,967.94
  5. Step 5: Solve for x
    x = 255,844,913,967.94/568,189.56
  6. Step 6: Final answer
    x = 450,280.91

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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.