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Finding the Fourth Proportional to 322,667.70, 484,001.25 and 98,027.22

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Solution

The fourth proportional to 322,667.70, 484,001.25 and 98,027.22 is: 147,040.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,667.70 : 484,001.25 = 98,027.22 : x
  2. Step 2: Convert to fraction form
    322,667.70/484,001.25 = 98,027.22/x
  3. Step 3: Cross multiply
    322,667.70x = 484,001.25 × 98,027.22
  4. Step 4: Simplify right side
    322,667.70x = 47,445,297,014.03
  5. Step 5: Solve for x
    x = 47,445,297,014.03/322,667.70
  6. Step 6: Final answer
    x = 147,040.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.