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Finding the Fourth Proportional to 303,301.44, 454,954.05 and 134,782.20

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Solution

The fourth proportional to 303,301.44, 454,954.05 and 134,782.20 is: 202,174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,301.44 : 454,954.05 = 134,782.20 : x
  2. Step 2: Convert to fraction form
    303,301.44/454,954.05 = 134,782.20/x
  3. Step 3: Cross multiply
    303,301.44x = 454,954.05 × 134,782.20
  4. Step 4: Simplify right side
    303,301.44x = 61,319,707,757.91
  5. Step 5: Solve for x
    x = 61,319,707,757.91/303,301.44
  6. Step 6: Final answer
    x = 202,174.14

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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.