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Finding the Fourth Proportional to 307,417.70, 461,169.68 and 107,692.35

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Solution

The fourth proportional to 307,417.70, 461,169.68 and 107,692.35 is: 161,553.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,417.70 : 461,169.68 = 107,692.35 : x
  2. Step 2: Convert to fraction form
    307,417.70/461,169.68 = 107,692.35/x
  3. Step 3: Cross multiply
    307,417.70x = 461,169.68 × 107,692.35
  4. Step 4: Simplify right side
    307,417.70x = 49,664,446,049.49
  5. Step 5: Solve for x
    x = 49,664,446,049.49/307,417.70
  6. Step 6: Final answer
    x = 161,553.63

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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.