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Finding the Fourth Proportional to 326,785.01, 490,597.30 and 251,952.69

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Solution

The fourth proportional to 326,785.01, 490,597.30 and 251,952.69 is: 378,252.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,785.01 : 490,597.30 = 251,952.69 : x
  2. Step 2: Convert to fraction form
    326,785.01/490,597.30 = 251,952.69/x
  3. Step 3: Cross multiply
    326,785.01x = 490,597.30 × 251,952.69
  4. Step 4: Simplify right side
    326,785.01x = 123,607,309,441.74
  5. Step 5: Solve for x
    x = 123,607,309,441.74/326,785.01
  6. Step 6: Final answer
    x = 378,252.69

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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.