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Finding the Fourth Proportional to 360,027.81, 539,449.99 and 123,241.32

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Solution

The fourth proportional to 360,027.81, 539,449.99 and 123,241.32 is: 184,659.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,027.81 : 539,449.99 = 123,241.32 : x
  2. Step 2: Convert to fraction form
    360,027.81/539,449.99 = 123,241.32/x
  3. Step 3: Cross multiply
    360,027.81x = 539,449.99 × 123,241.32
  4. Step 4: Simplify right side
    360,027.81x = 66,482,528,841.59
  5. Step 5: Solve for x
    x = 66,482,528,841.59/360,027.81
  6. Step 6: Final answer
    x = 184,659.43

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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.