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Finding the Fourth Proportional to 283,524.20, 424,703.10 and 143,361.80

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Solution

The fourth proportional to 283,524.20, 424,703.10 and 143,361.80 is: 214,747.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,524.20 : 424,703.10 = 143,361.80 : x
  2. Step 2: Convert to fraction form
    283,524.20/424,703.10 = 143,361.80/x
  3. Step 3: Cross multiply
    283,524.20x = 424,703.10 × 143,361.80
  4. Step 4: Simplify right side
    283,524.20x = 60,886,200,881.58
  5. Step 5: Solve for x
    x = 60,886,200,881.58/283,524.20
  6. Step 6: Final answer
    x = 214,747.81

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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.