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Finding the Fourth Proportional to 322,899.60, 484,367.62 and 98,267.36

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Solution

The fourth proportional to 322,899.60, 484,367.62 and 98,267.36 is: 147,406.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,899.60 : 484,367.62 = 98,267.36 : x
  2. Step 2: Convert to fraction form
    322,899.60/484,367.62 = 98,267.36/x
  3. Step 3: Cross multiply
    322,899.60x = 484,367.62 × 98,267.36
  4. Step 4: Simplify right side
    322,899.60x = 47,597,527,286.88
  5. Step 5: Solve for x
    x = 47,597,527,286.88/322,899.60
  6. Step 6: Final answer
    x = 147,406.58

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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.