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Finding the Fourth Proportional to 568,808.22, 784,888.20 and 314,144.22

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Solution

The fourth proportional to 568,808.22, 784,888.20 and 314,144.22 is: 433,481.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,808.22 : 784,888.20 = 314,144.22 : x
  2. Step 2: Convert to fraction form
    568,808.22/784,888.20 = 314,144.22/x
  3. Step 3: Cross multiply
    568,808.22x = 784,888.20 × 314,144.22
  4. Step 4: Simplify right side
    568,808.22x = 246,568,091,376.20
  5. Step 5: Solve for x
    x = 246,568,091,376.20/568,808.22
  6. Step 6: Final answer
    x = 433,481.94

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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.