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Finding the Fourth Proportional to 264,516.20, 396,944.40 and 146,272.40

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Solution

The fourth proportional to 264,516.20, 396,944.40 and 146,272.40 is: 219,502.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,516.20 : 396,944.40 = 146,272.40 : x
  2. Step 2: Convert to fraction form
    264,516.20/396,944.40 = 146,272.40/x
  3. Step 3: Cross multiply
    264,516.20x = 396,944.40 × 146,272.40
  4. Step 4: Simplify right side
    264,516.20x = 58,062,010,054.56
  5. Step 5: Solve for x
    x = 58,062,010,054.56/264,516.20
  6. Step 6: Final answer
    x = 219,502.66

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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.