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Finding the Fourth Proportional to 322,885.43, 484,401.86 and 98,277.70

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Solution

The fourth proportional to 322,885.43, 484,401.86 and 98,277.70 is: 147,438.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,885.43 : 484,401.86 = 98,277.70 : x
  2. Step 2: Convert to fraction form
    322,885.43/484,401.86 = 98,277.70/x
  3. Step 3: Cross multiply
    322,885.43x = 484,401.86 × 98,277.70
  4. Step 4: Simplify right side
    322,885.43x = 47,605,900,676.52
  5. Step 5: Solve for x
    x = 47,605,900,676.52/322,885.43
  6. Step 6: Final answer
    x = 147,438.99

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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.