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Finding the Fourth Proportional to 371,160.60, 512,067.90 and 210,013.93

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Solution

The fourth proportional to 371,160.60, 512,067.90 and 210,013.93 is: 289,743.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,160.60 : 512,067.90 = 210,013.93 : x
  2. Step 2: Convert to fraction form
    371,160.60/512,067.90 = 210,013.93/x
  3. Step 3: Cross multiply
    371,160.60x = 512,067.90 × 210,013.93
  4. Step 4: Simplify right side
    371,160.60x = 107,541,392,105.85
  5. Step 5: Solve for x
    x = 107,541,392,105.85/371,160.60
  6. Step 6: Final answer
    x = 289,743.56

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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.