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Finding the Fourth Proportional to 486,995.49, 730,099.44 and 202,899.83

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Solution

The fourth proportional to 486,995.49, 730,099.44 and 202,899.83 is: 304,185.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,995.49 : 730,099.44 = 202,899.83 : x
  2. Step 2: Convert to fraction form
    486,995.49/730,099.44 = 202,899.83/x
  3. Step 3: Cross multiply
    486,995.49x = 730,099.44 × 202,899.83
  4. Step 4: Simplify right side
    486,995.49x = 148,137,048,608.60
  5. Step 5: Solve for x
    x = 148,137,048,608.60/486,995.49
  6. Step 6: Final answer
    x = 304,185.67

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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.