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Finding the Fourth Proportional to 568,089.71, 784,247.89 and 353,298.97

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Solution

The fourth proportional to 568,089.71, 784,247.89 and 353,298.97 is: 487,729.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,089.71 : 784,247.89 = 353,298.97 : x
  2. Step 2: Convert to fraction form
    568,089.71/784,247.89 = 353,298.97/x
  3. Step 3: Cross multiply
    568,089.71x = 784,247.89 × 353,298.97
  4. Step 4: Simplify right side
    568,089.71x = 277,073,969,995.18
  5. Step 5: Solve for x
    x = 277,073,969,995.18/568,089.71
  6. Step 6: Final answer
    x = 487,729.25

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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.