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Finding the Fourth Proportional to 568,319.67, 784,277.36 and 313,670.86

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Solution

The fourth proportional to 568,319.67, 784,277.36 and 313,670.86 is: 432,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,319.67 : 784,277.36 = 313,670.86 : x
  2. Step 2: Convert to fraction form
    568,319.67/784,277.36 = 313,670.86/x
  3. Step 3: Cross multiply
    568,319.67x = 784,277.36 × 313,670.86
  4. Step 4: Simplify right side
    568,319.67x = 246,004,953,989.73
  5. Step 5: Solve for x
    x = 246,004,953,989.73/568,319.67
  6. Step 6: Final answer
    x = 432,863.70

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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.