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Finding the Fourth Proportional to 623,709.25, 860,556.11 and 365,447.44

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Solution

The fourth proportional to 623,709.25, 860,556.11 and 365,447.44 is: 504,222.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,709.25 : 860,556.11 = 365,447.44 : x
  2. Step 2: Convert to fraction form
    623,709.25/860,556.11 = 365,447.44/x
  3. Step 3: Cross multiply
    623,709.25x = 860,556.11 × 365,447.44
  4. Step 4: Simplify right side
    623,709.25x = 314,488,027,375.86
  5. Step 5: Solve for x
    x = 314,488,027,375.86/623,709.25
  6. Step 6: Final answer
    x = 504,222.16

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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.