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Finding the Fourth Proportional to 436,991.12, 655,741.08 and 184,255.76

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Solution

The fourth proportional to 436,991.12, 655,741.08 and 184,255.76 is: 276,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,991.12 : 655,741.08 = 184,255.76 : x
  2. Step 2: Convert to fraction form
    436,991.12/655,741.08 = 184,255.76/x
  3. Step 3: Cross multiply
    436,991.12x = 655,741.08 × 184,255.76
  4. Step 4: Simplify right side
    436,991.12x = 120,824,071,058.62
  5. Step 5: Solve for x
    x = 120,824,071,058.62/436,991.12
  6. Step 6: Final answer
    x = 276,490.91

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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.