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Finding the Fourth Proportional to 270,728.80, 373,604.28 and 148,232.32

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Solution

The fourth proportional to 270,728.80, 373,604.28 and 148,232.32 is: 204,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,728.80 : 373,604.28 = 148,232.32 : x
  2. Step 2: Convert to fraction form
    270,728.80/373,604.28 = 148,232.32/x
  3. Step 3: Cross multiply
    270,728.80x = 373,604.28 × 148,232.32
  4. Step 4: Simplify right side
    270,728.80x = 55,380,229,186.33
  5. Step 5: Solve for x
    x = 55,380,229,186.33/270,728.80
  6. Step 6: Final answer
    x = 204,559.80

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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.