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Finding the Fourth Proportional to 269,907.12, 404,735.40 and 157,620.60

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Solution

The fourth proportional to 269,907.12, 404,735.40 and 157,620.60 is: 236,357.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,907.12 : 404,735.40 = 157,620.60 : x
  2. Step 2: Convert to fraction form
    269,907.12/404,735.40 = 157,620.60/x
  3. Step 3: Cross multiply
    269,907.12x = 404,735.40 × 157,620.60
  4. Step 4: Simplify right side
    269,907.12x = 63,794,636,589.24
  5. Step 5: Solve for x
    x = 63,794,636,589.24/269,907.12
  6. Step 6: Final answer
    x = 236,357.74

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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.