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Finding the Fourth Proportional to 303,311.44, 454,969.05 and 134,792.20

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Solution

The fourth proportional to 303,311.44, 454,969.05 and 134,792.20 is: 202,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,311.44 : 454,969.05 = 134,792.20 : x
  2. Step 2: Convert to fraction form
    303,311.44/454,969.05 = 134,792.20/x
  3. Step 3: Cross multiply
    303,311.44x = 454,969.05 × 134,792.20
  4. Step 4: Simplify right side
    303,311.44x = 61,326,279,181.41
  5. Step 5: Solve for x
    x = 61,326,279,181.41/303,311.44
  6. Step 6: Final answer
    x = 202,189.14

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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.