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Finding the Fourth Proportional to 350,512.11, 483,706.11 and 189,366.66

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Solution

The fourth proportional to 350,512.11, 483,706.11 and 189,366.66 is: 261,325.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,512.11 : 483,706.11 = 189,366.66 : x
  2. Step 2: Convert to fraction form
    350,512.11/483,706.11 = 189,366.66/x
  3. Step 3: Cross multiply
    350,512.11x = 483,706.11 × 189,366.66
  4. Step 4: Simplify right side
    350,512.11x = 91,597,810,472.29
  5. Step 5: Solve for x
    x = 91,597,810,472.29/350,512.11
  6. Step 6: Final answer
    x = 261,325.67

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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.