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Finding the Fourth Proportional to 302,883.15, 454,324.73 and 300,809.55

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Solution

The fourth proportional to 302,883.15, 454,324.73 and 300,809.55 is: 451,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,883.15 : 454,324.73 = 300,809.55 : x
  2. Step 2: Convert to fraction form
    302,883.15/454,324.73 = 300,809.55/x
  3. Step 3: Cross multiply
    302,883.15x = 454,324.73 × 300,809.55
  4. Step 4: Simplify right side
    302,883.15x = 136,665,216,081.12
  5. Step 5: Solve for x
    x = 136,665,216,081.12/302,883.15
  6. Step 6: Final answer
    x = 451,214.33

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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.