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Finding the Fourth Proportional to 264,578.68, 365,121.30 and 143,722.36

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Solution

The fourth proportional to 264,578.68, 365,121.30 and 143,722.36 is: 198,338.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,578.68 : 365,121.30 = 143,722.36 : x
  2. Step 2: Convert to fraction form
    264,578.68/365,121.30 = 143,722.36/x
  3. Step 3: Cross multiply
    264,578.68x = 365,121.30 × 143,722.36
  4. Step 4: Simplify right side
    264,578.68x = 52,476,094,922.27
  5. Step 5: Solve for x
    x = 52,476,094,922.27/264,578.68
  6. Step 6: Final answer
    x = 198,338.34

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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.