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Finding the Fourth Proportional to 370,450.95, 511,222.22 and 200,685.03

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Solution

The fourth proportional to 370,450.95, 511,222.22 and 200,685.03 is: 276,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,450.95 : 511,222.22 = 200,685.03 : x
  2. Step 2: Convert to fraction form
    370,450.95/511,222.22 = 200,685.03/x
  3. Step 3: Cross multiply
    370,450.95x = 511,222.22 × 200,685.03
  4. Step 4: Simplify right side
    370,450.95x = 102,594,645,553.94
  5. Step 5: Solve for x
    x = 102,594,645,553.94/370,450.95
  6. Step 6: Final answer
    x = 276,945.29

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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.