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Finding the Fourth Proportional to 264,687.44, 365,269.10 and 143,830.17

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Solution

The fourth proportional to 264,687.44, 365,269.10 and 143,830.17 is: 198,485.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,687.44 : 365,269.10 = 143,830.17 : x
  2. Step 2: Convert to fraction form
    264,687.44/365,269.10 = 143,830.17/x
  3. Step 3: Cross multiply
    264,687.44x = 365,269.10 × 143,830.17
  4. Step 4: Simplify right side
    264,687.44x = 52,536,716,029.60
  5. Step 5: Solve for x
    x = 52,536,716,029.60/264,687.44
  6. Step 6: Final answer
    x = 198,485.87

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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.