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Finding the Fourth Proportional to 322,247.84, 483,420.90 and 164,390.18

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Solution

The fourth proportional to 322,247.84, 483,420.90 and 164,390.18 is: 246,610.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,247.84 : 483,420.90 = 164,390.18 : x
  2. Step 2: Convert to fraction form
    322,247.84/483,420.90 = 164,390.18/x
  3. Step 3: Cross multiply
    322,247.84x = 483,420.90 × 164,390.18
  4. Step 4: Simplify right side
    322,247.84x = 79,469,648,766.76
  5. Step 5: Solve for x
    x = 79,469,648,766.76/322,247.84
  6. Step 6: Final answer
    x = 246,610.34

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1.5x scale

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.