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Finding the Fourth Proportional to 300,649.26, 414,902.65 and 171,585.16

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Solution

The fourth proportional to 300,649.26, 414,902.65 and 171,585.16 is: 236,791.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,649.26 : 414,902.65 = 171,585.16 : x
  2. Step 2: Convert to fraction form
    300,649.26/414,902.65 = 171,585.16/x
  3. Step 3: Cross multiply
    300,649.26x = 414,902.65 × 171,585.16
  4. Step 4: Simplify right side
    300,649.26x = 71,191,137,584.67
  5. Step 5: Solve for x
    x = 71,191,137,584.67/300,649.26
  6. Step 6: Final answer
    x = 236,791.33

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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.