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Finding the Fourth Proportional to 198,300.51, 297,999.73 and 193,493.53

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Solution

The fourth proportional to 198,300.51, 297,999.73 and 193,493.53 is: 290,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,300.51 : 297,999.73 = 193,493.53 : x
  2. Step 2: Convert to fraction form
    198,300.51/297,999.73 = 193,493.53/x
  3. Step 3: Cross multiply
    198,300.51x = 297,999.73 × 193,493.53
  4. Step 4: Simplify right side
    198,300.51x = 57,661,019,696.75
  5. Step 5: Solve for x
    x = 57,661,019,696.75/198,300.51
  6. Step 6: Final answer
    x = 290,775.95

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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.