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Finding the Fourth Proportional to 383,067.51, 574,201.98 and 214,340.46

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Solution

The fourth proportional to 383,067.51, 574,201.98 and 214,340.46 is: 321,287.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,067.51 : 574,201.98 = 214,340.46 : x
  2. Step 2: Convert to fraction form
    383,067.51/574,201.98 = 214,340.46/x
  3. Step 3: Cross multiply
    383,067.51x = 574,201.98 × 214,340.46
  4. Step 4: Simplify right side
    383,067.51x = 123,074,716,526.11
  5. Step 5: Solve for x
    x = 123,074,716,526.11/383,067.51
  6. Step 6: Final answer
    x = 321,287.28

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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.