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Finding the Fourth Proportional to 318,589.26, 439,582.58 and 184,375.50

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Solution

The fourth proportional to 318,589.26, 439,582.58 and 184,375.50 is: 254,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,589.26 : 439,582.58 = 184,375.50 : x
  2. Step 2: Convert to fraction form
    318,589.26/439,582.58 = 184,375.50/x
  3. Step 3: Cross multiply
    318,589.26x = 439,582.58 × 184,375.50
  4. Step 4: Simplify right side
    318,589.26x = 81,048,257,978.79
  5. Step 5: Solve for x
    x = 81,048,257,978.79/318,589.26
  6. Step 6: Final answer
    x = 254,397.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.