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Finding the Fourth Proportional to 303,670.45, 454,849.57 and 251,182.45

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Solution

The fourth proportional to 303,670.45, 454,849.57 and 251,182.45 is: 376,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,670.45 : 454,849.57 = 251,182.45 : x
  2. Step 2: Convert to fraction form
    303,670.45/454,849.57 = 251,182.45/x
  3. Step 3: Cross multiply
    303,670.45x = 454,849.57 × 251,182.45
  4. Step 4: Simplify right side
    303,670.45x = 114,250,229,374.05
  5. Step 5: Solve for x
    x = 114,250,229,374.05/303,670.45
  6. Step 6: Final answer
    x = 376,230.97

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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.