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Finding the Fourth Proportional to 436,909.57, 655,619.10 and 184,174.60

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Solution

The fourth proportional to 436,909.57, 655,619.10 and 184,174.60 is: 276,369.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,909.57 : 655,619.10 = 184,174.60 : x
  2. Step 2: Convert to fraction form
    436,909.57/655,619.10 = 184,174.60/x
  3. Step 3: Cross multiply
    436,909.57x = 655,619.10 × 184,174.60
  4. Step 4: Simplify right side
    436,909.57x = 120,748,385,494.86
  5. Step 5: Solve for x
    x = 120,748,385,494.86/436,909.57
  6. Step 6: Final answer
    x = 276,369.29

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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.