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Finding the Fourth Proportional to 568,088.70, 784,246.50 and 353,297.96

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Solution

The fourth proportional to 568,088.70, 784,246.50 and 353,297.96 is: 487,727.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,088.70 : 784,246.50 = 353,297.96 : x
  2. Step 2: Convert to fraction form
    568,088.70/784,246.50 = 353,297.96/x
  3. Step 3: Cross multiply
    568,088.70x = 784,246.50 × 353,297.96
  4. Step 4: Simplify right side
    568,088.70x = 277,072,686,820.65
  5. Step 5: Solve for x
    x = 277,072,686,820.65/568,088.70
  6. Step 6: Final answer
    x = 487,727.87

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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.