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Finding the Fourth Proportional to 318,170.07, 477,230.36 and 184,965.30

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Solution

The fourth proportional to 318,170.07, 477,230.36 and 184,965.30 is: 277,433.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,170.07 : 477,230.36 = 184,965.30 : x
  2. Step 2: Convert to fraction form
    318,170.07/477,230.36 = 184,965.30/x
  3. Step 3: Cross multiply
    318,170.07x = 477,230.36 × 184,965.30
  4. Step 4: Simplify right side
    318,170.07x = 88,271,055,781.68
  5. Step 5: Solve for x
    x = 88,271,055,781.68/318,170.07
  6. Step 6: Final answer
    x = 277,433.56

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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.