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Finding the Fourth Proportional to 379,095.57, 568,766.40 and 112,858.40

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Solution

The fourth proportional to 379,095.57, 568,766.40 and 112,858.40 is: 169,324.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,095.57 : 568,766.40 = 112,858.40 : x
  2. Step 2: Convert to fraction form
    379,095.57/568,766.40 = 112,858.40/x
  3. Step 3: Cross multiply
    379,095.57x = 568,766.40 × 112,858.40
  4. Step 4: Simplify right side
    379,095.57x = 64,190,063,033.93
  5. Step 5: Solve for x
    x = 64,190,063,033.93/379,095.57
  6. Step 6: Final answer
    x = 169,324.22

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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.