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Finding the Fourth Proportional to 322,976.08, 484,488.96 and 98,355.52

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Solution

The fourth proportional to 322,976.08, 484,488.96 and 98,355.52 is: 147,540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,976.08 : 484,488.96 = 98,355.52 : x
  2. Step 2: Convert to fraction form
    322,976.08/484,488.96 = 98,355.52/x
  3. Step 3: Cross multiply
    322,976.08x = 484,488.96 × 98,355.52
  4. Step 4: Simplify right side
    322,976.08x = 47,652,163,595.06
  5. Step 5: Solve for x
    x = 47,652,163,595.06/322,976.08
  6. Step 6: Final answer
    x = 147,540.84

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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.