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Finding the Fourth Proportional to 264,778.98, 365,384.28 and 143,917.50

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Solution

The fourth proportional to 264,778.98, 365,384.28 and 143,917.50 is: 198,600.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,778.98 : 365,384.28 = 143,917.50 : x
  2. Step 2: Convert to fraction form
    264,778.98/365,384.28 = 143,917.50/x
  3. Step 3: Cross multiply
    264,778.98x = 365,384.28 × 143,917.50
  4. Step 4: Simplify right side
    264,778.98x = 52,585,192,116.90
  5. Step 5: Solve for x
    x = 52,585,192,116.90/264,778.98
  6. Step 6: Final answer
    x = 198,600.33

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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.