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Finding the Fourth Proportional to 371,025.96, 511,628.58 and 220,093.80

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Solution

The fourth proportional to 371,025.96, 511,628.58 and 220,093.80 is: 303,499.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,025.96 : 511,628.58 = 220,093.80 : x
  2. Step 2: Convert to fraction form
    371,025.96/511,628.58 = 220,093.80/x
  3. Step 3: Cross multiply
    371,025.96x = 511,628.58 × 220,093.80
  4. Step 4: Simplify right side
    371,025.96x = 112,606,278,360.80
  5. Step 5: Solve for x
    x = 112,606,278,360.80/371,025.96
  6. Step 6: Final answer
    x = 303,499.73

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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.