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Finding the Fourth Proportional to 202,219.90, 303,329.85 and 194,443.90

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Solution

The fourth proportional to 202,219.90, 303,329.85 and 194,443.90 is: 291,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,219.90 : 303,329.85 = 194,443.90 : x
  2. Step 2: Convert to fraction form
    202,219.90/303,329.85 = 194,443.90/x
  3. Step 3: Cross multiply
    202,219.90x = 303,329.85 × 194,443.90
  4. Step 4: Simplify right side
    202,219.90x = 58,980,639,020.42
  5. Step 5: Solve for x
    x = 58,980,639,020.42/202,219.90
  6. Step 6: Final answer
    x = 291,665.85

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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.