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Finding the Fourth Proportional to 264,331.77, 396,494.24 and 64,653.81

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Solution

The fourth proportional to 264,331.77, 396,494.24 and 64,653.81 is: 96,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,331.77 : 396,494.24 = 64,653.81 : x
  2. Step 2: Convert to fraction form
    264,331.77/396,494.24 = 64,653.81/x
  3. Step 3: Cross multiply
    264,331.77x = 396,494.24 × 64,653.81
  4. Step 4: Simplify right side
    264,331.77x = 25,634,862,935.79
  5. Step 5: Solve for x
    x = 25,634,862,935.79/264,331.77
  6. Step 6: Final answer
    x = 96,979.88

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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.