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Finding the Fourth Proportional to 404,694.80, 606,556.20 and 167,915.60

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Solution

The fourth proportional to 404,694.80, 606,556.20 and 167,915.60 is: 251,671.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,694.80 : 606,556.20 = 167,915.60 : x
  2. Step 2: Convert to fraction form
    404,694.80/606,556.20 = 167,915.60/x
  3. Step 3: Cross multiply
    404,694.80x = 606,556.20 × 167,915.60
  4. Step 4: Simplify right side
    404,694.80x = 101,850,248,256.72
  5. Step 5: Solve for x
    x = 101,850,248,256.72/404,694.80
  6. Step 6: Final answer
    x = 251,671.75

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1.5x scale

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.