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Finding the Fourth Proportional to 411,996.69, 568,508.45 and 230,683.41

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Solution

The fourth proportional to 411,996.69, 568,508.45 and 230,683.41 is: 318,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,996.69 : 568,508.45 = 230,683.41 : x
  2. Step 2: Convert to fraction form
    411,996.69/568,508.45 = 230,683.41/x
  3. Step 3: Cross multiply
    411,996.69x = 568,508.45 × 230,683.41
  4. Step 4: Simplify right side
    411,996.69x = 131,145,466,706.40
  5. Step 5: Solve for x
    x = 131,145,466,706.40/411,996.69
  6. Step 6: Final answer
    x = 318,316.80

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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.