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Finding the Fourth Proportional to 568,088.46, 784,246.16 and 353,297.72

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Solution

The fourth proportional to 568,088.46, 784,246.16 and 353,297.72 is: 487,727.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,088.46 : 784,246.16 = 353,297.72 : x
  2. Step 2: Convert to fraction form
    568,088.46/784,246.16 = 353,297.72/x
  3. Step 3: Cross multiply
    568,088.46x = 784,246.16 × 353,297.72
  4. Step 4: Simplify right side
    568,088.46x = 277,072,383,090.62
  5. Step 5: Solve for x
    x = 277,072,383,090.62/568,088.46
  6. Step 6: Final answer
    x = 487,727.53

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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.