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Finding the Fourth Proportional to 202,327.80, 303,491.70 and 193,689.15

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Solution

The fourth proportional to 202,327.80, 303,491.70 and 193,689.15 is: 290,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,327.80 : 303,491.70 = 193,689.15 : x
  2. Step 2: Convert to fraction form
    202,327.80/303,491.70 = 193,689.15/x
  3. Step 3: Cross multiply
    202,327.80x = 303,491.70 × 193,689.15
  4. Step 4: Simplify right side
    202,327.80x = 58,783,049,405.06
  5. Step 5: Solve for x
    x = 58,783,049,405.06/202,327.80
  6. Step 6: Final answer
    x = 290,533.73

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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.