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Finding the Fourth Proportional to 293,070.05, 404,458.41 and 164,021.46

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Solution

The fourth proportional to 293,070.05, 404,458.41 and 164,021.46 is: 226,361.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,070.05 : 404,458.41 = 164,021.46 : x
  2. Step 2: Convert to fraction form
    293,070.05/404,458.41 = 164,021.46/x
  3. Step 3: Cross multiply
    293,070.05x = 404,458.41 × 164,021.46
  4. Step 4: Simplify right side
    293,070.05x = 66,339,859,532.56
  5. Step 5: Solve for x
    x = 66,339,859,532.56/293,070.05
  6. Step 6: Final answer
    x = 226,361.78

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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.