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Finding the Fourth Proportional to 568,811.22, 784,892.34 and 314,147.22

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Solution

The fourth proportional to 568,811.22, 784,892.34 and 314,147.22 is: 433,486.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,811.22 : 784,892.34 = 314,147.22 : x
  2. Step 2: Convert to fraction form
    568,811.22/784,892.34 = 314,147.22/x
  3. Step 3: Cross multiply
    568,811.22x = 784,892.34 × 314,147.22
  4. Step 4: Simplify right side
    568,811.22x = 246,571,746,610.30
  5. Step 5: Solve for x
    x = 246,571,746,610.30/568,811.22
  6. Step 6: Final answer
    x = 433,486.08

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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.