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Finding the Fourth Proportional to 264,328.77, 396,489.74 and 64,650.81

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Solution

The fourth proportional to 264,328.77, 396,489.74 and 64,650.81 is: 96,975.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,328.77 : 396,489.74 = 64,650.81 : x
  2. Step 2: Convert to fraction form
    264,328.77/396,489.74 = 64,650.81/x
  3. Step 3: Cross multiply
    264,328.77x = 396,489.74 × 64,650.81
  4. Step 4: Simplify right side
    264,328.77x = 25,633,382,524.44
  5. Step 5: Solve for x
    x = 25,633,382,524.44/264,328.77
  6. Step 6: Final answer
    x = 96,975.38

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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.