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Finding the Fourth Proportional to 508,467.25, 762,168.59 and 171,391.32

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Solution

The fourth proportional to 508,467.25, 762,168.59 and 171,391.32 is: 256,907.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,467.25 : 762,168.59 = 171,391.32 : x
  2. Step 2: Convert to fraction form
    508,467.25/762,168.59 = 171,391.32/x
  3. Step 3: Cross multiply
    508,467.25x = 762,168.59 × 171,391.32
  4. Step 4: Simplify right side
    508,467.25x = 130,629,078,344.80
  5. Step 5: Solve for x
    x = 130,629,078,344.80/508,467.25
  6. Step 6: Final answer
    x = 256,907.56

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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.