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Finding the Fourth Proportional to 568,345.71, 852,654.79 and 189,269.72

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Solution

The fourth proportional to 568,345.71, 852,654.79 and 189,269.72 is: 283,949.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,345.71 : 852,654.79 = 189,269.72 : x
  2. Step 2: Convert to fraction form
    568,345.71/852,654.79 = 189,269.72/x
  3. Step 3: Cross multiply
    568,345.71x = 852,654.79 × 189,269.72
  4. Step 4: Simplify right side
    568,345.71x = 161,381,733,359.96
  5. Step 5: Solve for x
    x = 161,381,733,359.96/568,345.71
  6. Step 6: Final answer
    x = 283,949.95

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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.