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Finding the Fourth Proportional to 254,540.80, 351,244.80 and 153,932.80

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Solution

The fourth proportional to 254,540.80, 351,244.80 and 153,932.80 is: 212,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,540.80 : 351,244.80 = 153,932.80 : x
  2. Step 2: Convert to fraction form
    254,540.80/351,244.80 = 153,932.80/x
  3. Step 3: Cross multiply
    254,540.80x = 351,244.80 × 153,932.80
  4. Step 4: Simplify right side
    254,540.80x = 54,068,095,549.44
  5. Step 5: Solve for x
    x = 54,068,095,549.44/254,540.80
  6. Step 6: Final answer
    x = 212,414.26

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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.