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Finding the Fourth Proportional to 411,699.67, 568,170.56 and 230,407.83

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Solution

The fourth proportional to 411,699.67, 568,170.56 and 230,407.83 is: 317,976.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,699.67 : 568,170.56 = 230,407.83 : x
  2. Step 2: Convert to fraction form
    411,699.67/568,170.56 = 230,407.83/x
  3. Step 3: Cross multiply
    411,699.67x = 568,170.56 × 230,407.83
  4. Step 4: Simplify right side
    411,699.67x = 130,910,946,375.50
  5. Step 5: Solve for x
    x = 130,910,946,375.50/411,699.67
  6. Step 6: Final answer
    x = 317,976.81

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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.