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Finding the Fourth Proportional to 585,268.86, 807,736.56 and 330,636.44

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Solution

The fourth proportional to 585,268.86, 807,736.56 and 330,636.44 is: 456,315.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,268.86 : 807,736.56 = 330,636.44 : x
  2. Step 2: Convert to fraction form
    585,268.86/807,736.56 = 330,636.44/x
  3. Step 3: Cross multiply
    585,268.86x = 807,736.56 × 330,636.44
  4. Step 4: Simplify right side
    585,268.86x = 267,067,140,656.25
  5. Step 5: Solve for x
    x = 267,067,140,656.25/585,268.86
  6. Step 6: Final answer
    x = 456,315.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.