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Finding the Fourth Proportional to 217,438.10, 300,067.79 and 162,893.63

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Solution

The fourth proportional to 217,438.10, 300,067.79 and 162,893.63 is: 224,795.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,438.10 : 300,067.79 = 162,893.63 : x
  2. Step 2: Convert to fraction form
    217,438.10/300,067.79 = 162,893.63/x
  3. Step 3: Cross multiply
    217,438.10x = 300,067.79 × 162,893.63
  4. Step 4: Simplify right side
    217,438.10x = 48,879,132,411.16
  5. Step 5: Solve for x
    x = 48,879,132,411.16/217,438.10
  6. Step 6: Final answer
    x = 224,795.62

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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.