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Finding the Fourth Proportional to 322,338.05, 483,340.21 and 144,692.09

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Solution

The fourth proportional to 322,338.05, 483,340.21 and 144,692.09 is: 216,963.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,338.05 : 483,340.21 = 144,692.09 : x
  2. Step 2: Convert to fraction form
    322,338.05/483,340.21 = 144,692.09/x
  3. Step 3: Cross multiply
    322,338.05x = 483,340.21 × 144,692.09
  4. Step 4: Simplify right side
    322,338.05x = 69,935,505,165.94
  5. Step 5: Solve for x
    x = 69,935,505,165.94/322,338.05
  6. Step 6: Final answer
    x = 216,963.23

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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.