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Finding the Fourth Proportional to 300,863.90, 415,192.13 and 164,902.22

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Solution

The fourth proportional to 300,863.90, 415,192.13 and 164,902.22 is: 227,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,863.90 : 415,192.13 = 164,902.22 : x
  2. Step 2: Convert to fraction form
    300,863.90/415,192.13 = 164,902.22/x
  3. Step 3: Cross multiply
    300,863.90x = 415,192.13 × 164,902.22
  4. Step 4: Simplify right side
    300,863.90x = 68,466,101,063.06
  5. Step 5: Solve for x
    x = 68,466,101,063.06/300,863.90
  6. Step 6: Final answer
    x = 227,565.03

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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.