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Finding the Fourth Proportional to 293,348.40, 404,787.20 and 164,268.88

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Solution

The fourth proportional to 293,348.40, 404,787.20 and 164,268.88 is: 226,672.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,348.40 : 404,787.20 = 164,268.88 : x
  2. Step 2: Convert to fraction form
    293,348.40/404,787.20 = 164,268.88/x
  3. Step 3: Cross multiply
    293,348.40x = 404,787.20 × 164,268.88
  4. Step 4: Simplify right side
    293,348.40x = 66,493,939,982.34
  5. Step 5: Solve for x
    x = 66,493,939,982.34/293,348.40
  6. Step 6: Final answer
    x = 226,672.24

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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.