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Finding the Fourth Proportional to 424,203.75, 585,404.97 and 230,611.86

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Solution

The fourth proportional to 424,203.75, 585,404.97 and 230,611.86 is: 318,246.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,203.75 : 585,404.97 = 230,611.86 : x
  2. Step 2: Convert to fraction form
    424,203.75/585,404.97 = 230,611.86/x
  3. Step 3: Cross multiply
    424,203.75x = 585,404.97 × 230,611.86
  4. Step 4: Simplify right side
    424,203.75x = 135,001,328,984.94
  5. Step 5: Solve for x
    x = 135,001,328,984.94/424,203.75
  6. Step 6: Final answer
    x = 318,246.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.