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Finding the Fourth Proportional to 351,173.67, 484,623.69 and 198,220.35

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Solution

The fourth proportional to 351,173.67, 484,623.69 and 198,220.35 is: 273,546.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,173.67 : 484,623.69 = 198,220.35 : x
  2. Step 2: Convert to fraction form
    351,173.67/484,623.69 = 198,220.35/x
  3. Step 3: Cross multiply
    351,173.67x = 484,623.69 × 198,220.35
  4. Step 4: Simplify right side
    351,173.67x = 96,062,277,450.09
  5. Step 5: Solve for x
    x = 96,062,277,450.09/351,173.67
  6. Step 6: Final answer
    x = 273,546.36

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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.