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Finding the Fourth Proportional to 295,907.78, 408,344.52 and 166,845.12

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Solution

The fourth proportional to 295,907.78, 408,344.52 and 166,845.12 is: 230,241.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,907.78 : 408,344.52 = 166,845.12 : x
  2. Step 2: Convert to fraction form
    295,907.78/408,344.52 = 166,845.12/x
  3. Step 3: Cross multiply
    295,907.78x = 408,344.52 × 166,845.12
  4. Step 4: Simplify right side
    295,907.78x = 68,130,290,440.74
  5. Step 5: Solve for x
    x = 68,130,290,440.74/295,907.78
  6. Step 6: Final answer
    x = 230,241.63

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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.