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Finding the Fourth Proportional to 404,895.30, 558,755.56 and 226,047.30

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Solution

The fourth proportional to 404,895.30, 558,755.56 and 226,047.30 is: 311,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,895.30 : 558,755.56 = 226,047.30 : x
  2. Step 2: Convert to fraction form
    404,895.30/558,755.56 = 226,047.30/x
  3. Step 3: Cross multiply
    404,895.30x = 558,755.56 × 226,047.30
  4. Step 4: Simplify right side
    404,895.30x = 126,305,185,697.99
  5. Step 5: Solve for x
    x = 126,305,185,697.99/404,895.30
  6. Step 6: Final answer
    x = 311,945.30

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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.