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Finding the Fourth Proportional to 322,446.87, 483,675.08 and 122,778.32

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Solution

The fourth proportional to 322,446.87, 483,675.08 and 122,778.32 is: 184,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,446.87 : 483,675.08 = 122,778.32 : x
  2. Step 2: Convert to fraction form
    322,446.87/483,675.08 = 122,778.32/x
  3. Step 3: Cross multiply
    322,446.87x = 483,675.08 × 122,778.32
  4. Step 4: Simplify right side
    322,446.87x = 59,384,815,264.40
  5. Step 5: Solve for x
    x = 59,384,815,264.40/322,446.87
  6. Step 6: Final answer
    x = 184,169.30

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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.