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Finding the Fourth Proportional to 300,850.49, 415,176.86 and 164,881.43

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Solution

The fourth proportional to 300,850.49, 415,176.86 and 164,881.43 is: 227,538.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,850.49 : 415,176.86 = 164,881.43 : x
  2. Step 2: Convert to fraction form
    300,850.49/415,176.86 = 164,881.43/x
  3. Step 3: Cross multiply
    300,850.49x = 415,176.86 × 164,881.43
  4. Step 4: Simplify right side
    300,850.49x = 68,454,951,479.42
  5. Step 5: Solve for x
    x = 68,454,951,479.42/300,850.49
  6. Step 6: Final answer
    x = 227,538.11

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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.