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Finding the Fourth Proportional to 366,544.12, 505,830.54 and 205,400.44

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Solution

The fourth proportional to 366,544.12, 505,830.54 and 205,400.44 is: 283,452.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,544.12 : 505,830.54 = 205,400.44 : x
  2. Step 2: Convert to fraction form
    366,544.12/505,830.54 = 205,400.44/x
  3. Step 3: Cross multiply
    366,544.12x = 505,830.54 × 205,400.44
  4. Step 4: Simplify right side
    366,544.12x = 103,897,815,481.44
  5. Step 5: Solve for x
    x = 103,897,815,481.44/366,544.12
  6. Step 6: Final answer
    x = 283,452.41

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1.5x scale

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.