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Finding the Fourth Proportional to 560,832.49, 773,912.81 and 306,183.13

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Solution

The fourth proportional to 560,832.49, 773,912.81 and 306,183.13 is: 422,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,832.49 : 773,912.81 = 306,183.13 : x
  2. Step 2: Convert to fraction form
    560,832.49/773,912.81 = 306,183.13/x
  3. Step 3: Cross multiply
    560,832.49x = 773,912.81 × 306,183.13
  4. Step 4: Simplify right side
    560,832.49x = 236,959,044,981.98
  5. Step 5: Solve for x
    x = 236,959,044,981.98/560,832.49
  6. Step 6: Final answer
    x = 422,513.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.