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Finding the Fourth Proportional to 202,635.10, 303,624.60 and 190,825.30

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Solution

The fourth proportional to 202,635.10, 303,624.60 and 190,825.30 is: 285,929.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,635.10 : 303,624.60 = 190,825.30 : x
  2. Step 2: Convert to fraction form
    202,635.10/303,624.60 = 190,825.30/x
  3. Step 3: Cross multiply
    202,635.10x = 303,624.60 × 190,825.30
  4. Step 4: Simplify right side
    202,635.10x = 57,939,255,382.38
  5. Step 5: Solve for x
    x = 57,939,255,382.38/202,635.10
  6. Step 6: Final answer
    x = 285,929.02

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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.