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Finding the Fourth Proportional to 568,597.70, 852,611.31 and 189,385.13

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Solution

The fourth proportional to 568,597.70, 852,611.31 and 189,385.13 is: 283,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,597.70 : 852,611.31 = 189,385.13 : x
  2. Step 2: Convert to fraction form
    568,597.70/852,611.31 = 189,385.13/x
  3. Step 3: Cross multiply
    568,597.70x = 852,611.31 × 189,385.13
  4. Step 4: Simplify right side
    568,597.70x = 161,471,905,915.35
  5. Step 5: Solve for x
    x = 161,471,905,915.35/568,597.70
  6. Step 6: Final answer
    x = 283,982.69

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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.