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Finding the Fourth Proportional to 379,064.34, 568,683.99 and 201,742.38

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Solution

The fourth proportional to 379,064.34, 568,683.99 and 201,742.38 is: 302,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,064.34 : 568,683.99 = 201,742.38 : x
  2. Step 2: Convert to fraction form
    379,064.34/568,683.99 = 201,742.38/x
  3. Step 3: Cross multiply
    379,064.34x = 568,683.99 × 201,742.38
  4. Step 4: Simplify right side
    379,064.34x = 114,727,661,610.50
  5. Step 5: Solve for x
    x = 114,727,661,610.50/379,064.34
  6. Step 6: Final answer
    x = 302,660.13

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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.