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Finding the Fourth Proportional to 336,876.60, 505,314.90 and 295,404.60

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Solution

The fourth proportional to 336,876.60, 505,314.90 and 295,404.60 is: 443,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,876.60 : 505,314.90 = 295,404.60 : x
  2. Step 2: Convert to fraction form
    336,876.60/505,314.90 = 295,404.60/x
  3. Step 3: Cross multiply
    336,876.60x = 505,314.90 × 295,404.60
  4. Step 4: Simplify right side
    336,876.60x = 149,272,345,908.54
  5. Step 5: Solve for x
    x = 149,272,345,908.54/336,876.60
  6. Step 6: Final answer
    x = 443,106.90

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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.