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Finding the Fourth Proportional to 382,578.26, 573,669.61 and 112,671.27

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Solution

The fourth proportional to 382,578.26, 573,669.61 and 112,671.27 is: 168,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,578.26 : 573,669.61 = 112,671.27 : x
  2. Step 2: Convert to fraction form
    382,578.26/573,669.61 = 112,671.27/x
  3. Step 3: Cross multiply
    382,578.26x = 573,669.61 × 112,671.27
  4. Step 4: Simplify right side
    382,578.26x = 64,636,083,237.43
  5. Step 5: Solve for x
    x = 64,636,083,237.43/382,578.26
  6. Step 6: Final answer
    x = 168,948.66

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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.