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Finding the Fourth Proportional to 220,504.26, 330,922.85 and 161,492.93

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Solution

The fourth proportional to 220,504.26, 330,922.85 and 161,492.93 is: 242,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,504.26 : 330,922.85 = 161,492.93 : x
  2. Step 2: Convert to fraction form
    220,504.26/330,922.85 = 161,492.93/x
  3. Step 3: Cross multiply
    220,504.26x = 330,922.85 × 161,492.93
  4. Step 4: Simplify right side
    220,504.26x = 53,441,700,650.45
  5. Step 5: Solve for x
    x = 53,441,700,650.45/220,504.26
  6. Step 6: Final answer
    x = 242,361.31

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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.