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Finding the Fourth Proportional to 254,247.20, 350,728.66 and 150,821.23

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Solution

The fourth proportional to 254,247.20, 350,728.66 and 150,821.23 is: 208,054.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,247.20 : 350,728.66 = 150,821.23 : x
  2. Step 2: Convert to fraction form
    254,247.20/350,728.66 = 150,821.23/x
  3. Step 3: Cross multiply
    254,247.20x = 350,728.66 × 150,821.23
  4. Step 4: Simplify right side
    254,247.20x = 52,897,327,897.45
  5. Step 5: Solve for x
    x = 52,897,327,897.45/254,247.20
  6. Step 6: Final answer
    x = 208,054.71

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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.