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Finding the Fourth Proportional to 383,268.18, 575,410.95 and 327,466.88

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Solution

The fourth proportional to 383,268.18, 575,410.95 and 327,466.88 is: 491,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,268.18 : 575,410.95 = 327,466.88 : x
  2. Step 2: Convert to fraction form
    383,268.18/575,410.95 = 327,466.88/x
  3. Step 3: Cross multiply
    383,268.18x = 575,410.95 × 327,466.88
  4. Step 4: Simplify right side
    383,268.18x = 188,428,025,637.28
  5. Step 5: Solve for x
    x = 188,428,025,637.28/383,268.18
  6. Step 6: Final answer
    x = 491,634.93

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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.