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Finding the Fourth Proportional to 296,923.20, 445,093.20 and 147,186.60

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Solution

The fourth proportional to 296,923.20, 445,093.20 and 147,186.60 is: 220,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,923.20 : 445,093.20 = 147,186.60 : x
  2. Step 2: Convert to fraction form
    296,923.20/445,093.20 = 147,186.60/x
  3. Step 3: Cross multiply
    296,923.20x = 445,093.20 × 147,186.60
  4. Step 4: Simplify right side
    296,923.20x = 65,511,754,791.12
  5. Step 5: Solve for x
    x = 65,511,754,791.12/296,923.20
  6. Step 6: Final answer
    x = 220,635.35

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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.