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Finding the Fourth Proportional to 360,028.68, 539,451.30 and 123,242.19

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Solution

The fourth proportional to 360,028.68, 539,451.30 and 123,242.19 is: 184,660.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,028.68 : 539,451.30 = 123,242.19 : x
  2. Step 2: Convert to fraction form
    360,028.68/539,451.30 = 123,242.19/x
  3. Step 3: Cross multiply
    360,028.68x = 539,451.30 × 123,242.19
  4. Step 4: Simplify right side
    360,028.68x = 66,483,159,610.35
  5. Step 5: Solve for x
    x = 66,483,159,610.35/360,028.68
  6. Step 6: Final answer
    x = 184,660.73

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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.