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Finding the Fourth Proportional to 264,847.45, 365,496.69 and 143,996.87

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Solution

The fourth proportional to 264,847.45, 365,496.69 and 143,996.87 is: 198,719.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,847.45 : 365,496.69 = 143,996.87 : x
  2. Step 2: Convert to fraction form
    264,847.45/365,496.69 = 143,996.87/x
  3. Step 3: Cross multiply
    264,847.45x = 365,496.69 × 143,996.87
  4. Step 4: Simplify right side
    264,847.45x = 52,630,379,355.36
  5. Step 5: Solve for x
    x = 52,630,379,355.36/264,847.45
  6. Step 6: Final answer
    x = 198,719.60

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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.