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Finding the Fourth Proportional to 303,574.80, 454,195.80 and 198,598.80

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Solution

The fourth proportional to 303,574.80, 454,195.80 and 198,598.80 is: 297,135.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,574.80 : 454,195.80 = 198,598.80 : x
  2. Step 2: Convert to fraction form
    303,574.80/454,195.80 = 198,598.80/x
  3. Step 3: Cross multiply
    303,574.80x = 454,195.80 × 198,598.80
  4. Step 4: Simplify right side
    303,574.80x = 90,202,740,845.04
  5. Step 5: Solve for x
    x = 90,202,740,845.04/303,574.80
  6. Step 6: Final answer
    x = 297,135.14

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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.