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Finding the Fourth Proportional to 382,237.84, 570,131.67 and 331,922.26

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Solution

The fourth proportional to 382,237.84, 570,131.67 and 331,922.26 is: 495,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,237.84 : 570,131.67 = 331,922.26 : x
  2. Step 2: Convert to fraction form
    382,237.84/570,131.67 = 331,922.26/x
  3. Step 3: Cross multiply
    382,237.84x = 570,131.67 × 331,922.26
  4. Step 4: Simplify right side
    382,237.84x = 189,239,392,403.97
  5. Step 5: Solve for x
    x = 189,239,392,403.97/382,237.84
  6. Step 6: Final answer
    x = 495,082.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.