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Finding the Fourth Proportional to 404,894.96, 558,759.48 and 223,606.56

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Solution

The fourth proportional to 404,894.96, 558,759.48 and 223,606.56 is: 308,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,894.96 : 558,759.48 = 223,606.56 : x
  2. Step 2: Convert to fraction form
    404,894.96/558,759.48 = 223,606.56/x
  3. Step 3: Cross multiply
    404,894.96x = 558,759.48 × 223,606.56
  4. Step 4: Simplify right side
    404,894.96x = 124,942,285,190.19
  5. Step 5: Solve for x
    x = 124,942,285,190.19/404,894.96
  6. Step 6: Final answer
    x = 308,579.50

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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.