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Finding the Fourth Proportional to 277,524.20, 416,163.18 and 127,728.20

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Solution

The fourth proportional to 277,524.20, 416,163.18 and 127,728.20 is: 191,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,524.20 : 416,163.18 = 127,728.20 : x
  2. Step 2: Convert to fraction form
    277,524.20/416,163.18 = 127,728.20/x
  3. Step 3: Cross multiply
    277,524.20x = 416,163.18 × 127,728.20
  4. Step 4: Simplify right side
    277,524.20x = 53,155,773,887.68
  5. Step 5: Solve for x
    x = 53,155,773,887.68/277,524.20
  6. Step 6: Final answer
    x = 191,535.64

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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.