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Finding the Fourth Proportional to 383,556.12, 573,792.42 and 331,524.12

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Solution

The fourth proportional to 383,556.12, 573,792.42 and 331,524.12 is: 495,953.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,556.12 : 573,792.42 = 331,524.12 : x
  2. Step 2: Convert to fraction form
    383,556.12/573,792.42 = 331,524.12/x
  3. Step 3: Cross multiply
    383,556.12x = 573,792.42 × 331,524.12
  4. Step 4: Simplify right side
    383,556.12x = 190,226,027,103.17
  5. Step 5: Solve for x
    x = 190,226,027,103.17/383,556.12
  6. Step 6: Final answer
    x = 495,953.57

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1.5x scale

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.