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Finding the Fourth Proportional to 301,902.80, 416,635.84 and 165,941.60

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Solution

The fourth proportional to 301,902.80, 416,635.84 and 165,941.60 is: 229,004.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,902.80 : 416,635.84 = 165,941.60 : x
  2. Step 2: Convert to fraction form
    301,902.80/416,635.84 = 165,941.60/x
  3. Step 3: Cross multiply
    301,902.80x = 416,635.84 × 165,941.60
  4. Step 4: Simplify right side
    301,902.80x = 69,137,217,906.94
  5. Step 5: Solve for x
    x = 69,137,217,906.94/301,902.80
  6. Step 6: Final answer
    x = 229,004.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.