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Finding the Fourth Proportional to 322,806.20, 484,209.30 and 98,164.85

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Solution

The fourth proportional to 322,806.20, 484,209.30 and 98,164.85 is: 147,247.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,806.20 : 484,209.30 = 98,164.85 : x
  2. Step 2: Convert to fraction form
    322,806.20/484,209.30 = 98,164.85/x
  3. Step 3: Cross multiply
    322,806.20x = 484,209.30 × 98,164.85
  4. Step 4: Simplify right side
    322,806.20x = 47,532,333,303.11
  5. Step 5: Solve for x
    x = 47,532,333,303.11/322,806.20
  6. Step 6: Final answer
    x = 147,247.28

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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.