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Finding the Fourth Proportional to 293,893.38, 405,577.31 and 164,860.46

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Solution

The fourth proportional to 293,893.38, 405,577.31 and 164,860.46 is: 227,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,893.38 : 405,577.31 = 164,860.46 : x
  2. Step 2: Convert to fraction form
    293,893.38/405,577.31 = 164,860.46/x
  3. Step 3: Cross multiply
    293,893.38x = 405,577.31 × 164,860.46
  4. Step 4: Simplify right side
    293,893.38x = 66,863,661,797.34
  5. Step 5: Solve for x
    x = 66,863,661,797.34/293,893.38
  6. Step 6: Final answer
    x = 227,509.93

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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.