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Finding the Fourth Proportional to 322,161.36, 483,258.71 and 82,277.50

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Solution

The fourth proportional to 322,161.36, 483,258.71 and 82,277.50 is: 123,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,161.36 : 483,258.71 = 82,277.50 : x
  2. Step 2: Convert to fraction form
    322,161.36/483,258.71 = 82,277.50/x
  3. Step 3: Cross multiply
    322,161.36x = 483,258.71 × 82,277.50
  4. Step 4: Simplify right side
    322,161.36x = 39,761,315,684.34
  5. Step 5: Solve for x
    x = 39,761,315,684.34/322,161.36
  6. Step 6: Final answer
    x = 123,420.50

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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.