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Finding the Fourth Proportional to 360,268.35, 539,965.57 and 264,611.57

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Solution

The fourth proportional to 360,268.35, 539,965.57 and 264,611.57 is: 396,596.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,268.35 : 539,965.57 = 264,611.57 : x
  2. Step 2: Convert to fraction form
    360,268.35/539,965.57 = 264,611.57/x
  3. Step 3: Cross multiply
    360,268.35x = 539,965.57 × 264,611.57
  4. Step 4: Simplify right side
    360,268.35x = 142,881,135,668.36
  5. Step 5: Solve for x
    x = 142,881,135,668.36/360,268.35
  6. Step 6: Final answer
    x = 396,596.41

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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.