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Finding the Fourth Proportional to 591,268.94, 815,951.88 and 336,620.12

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Solution

The fourth proportional to 591,268.94, 815,951.88 and 336,620.12 is: 464,536.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,268.94 : 815,951.88 = 336,620.12 : x
  2. Step 2: Convert to fraction form
    591,268.94/815,951.88 = 336,620.12/x
  3. Step 3: Cross multiply
    591,268.94x = 815,951.88 × 336,620.12
  4. Step 4: Simplify right side
    591,268.94x = 274,665,819,759.83
  5. Step 5: Solve for x
    x = 274,665,819,759.83/591,268.94
  6. Step 6: Final answer
    x = 464,536.19

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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.