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Finding the Fourth Proportional to 568,385.83, 852,481.81 and 189,263.53

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Solution

The fourth proportional to 568,385.83, 852,481.81 and 189,263.53 is: 283,863.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,385.83 : 852,481.81 = 189,263.53 : x
  2. Step 2: Convert to fraction form
    568,385.83/852,481.81 = 189,263.53/x
  3. Step 3: Cross multiply
    568,385.83x = 852,481.81 × 189,263.53
  4. Step 4: Simplify right side
    568,385.83x = 161,343,716,621.39
  5. Step 5: Solve for x
    x = 161,343,716,621.39/568,385.83
  6. Step 6: Final answer
    x = 283,863.02

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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.