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Finding the Fourth Proportional to 568,376.11, 852,467.28 and 189,253.86

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Solution

The fourth proportional to 568,376.11, 852,467.28 and 189,253.86 is: 283,848.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,376.11 : 852,467.28 = 189,253.86 : x
  2. Step 2: Convert to fraction form
    568,376.11/852,467.28 = 189,253.86/x
  3. Step 3: Cross multiply
    568,376.11x = 852,467.28 × 189,253.86
  4. Step 4: Simplify right side
    568,376.11x = 161,332,723,263.70
  5. Step 5: Solve for x
    x = 161,332,723,263.70/568,376.11
  6. Step 6: Final answer
    x = 283,848.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.