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Finding the Fourth Proportional to 301,628.25, 416,251.67 and 165,667.72

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Solution

The fourth proportional to 301,628.25, 416,251.67 and 165,667.72 is: 228,624.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,628.25 : 416,251.67 = 165,667.72 : x
  2. Step 2: Convert to fraction form
    301,628.25/416,251.67 = 165,667.72/x
  3. Step 3: Cross multiply
    301,628.25x = 416,251.67 × 165,667.72
  4. Step 4: Simplify right side
    301,628.25x = 68,959,464,286.75
  5. Step 5: Solve for x
    x = 68,959,464,286.75/301,628.25
  6. Step 6: Final answer
    x = 228,624.03

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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.