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Finding the Fourth Proportional to 1,093,476, 1,640,228.64 and 383,524.80

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Solution

The fourth proportional to 1,093,476, 1,640,228.64 and 383,524.80 is: 575,292.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,476 : 1,640,228.64 = 383,524.80 : x
  2. Step 2: Convert to fraction form
    1,093,476/1,640,228.64 = 383,524.80/x
  3. Step 3: Cross multiply
    1,093,476x = 1,640,228.64 × 383,524.80
  4. Step 4: Simplify right side
    1,093,476x = 629,068,361,110.27
  5. Step 5: Solve for x
    x = 629,068,361,110.27/1,093,476
  6. Step 6: Final answer
    x = 575,292.33

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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.