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Finding the Fourth Proportional to 379,433.96, 569,249.34 and 201,794.90

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Solution

The fourth proportional to 379,433.96, 569,249.34 and 201,794.90 is: 302,744.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,433.96 : 569,249.34 = 201,794.90 : x
  2. Step 2: Convert to fraction form
    379,433.96/569,249.34 = 201,794.90/x
  3. Step 3: Cross multiply
    379,433.96x = 569,249.34 × 201,794.90
  4. Step 4: Simplify right side
    379,433.96x = 114,871,613,640.37
  5. Step 5: Solve for x
    x = 114,871,613,640.37/379,433.96
  6. Step 6: Final answer
    x = 302,744.68

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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.