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Finding the Fourth Proportional to 404,876.96, 558,734.64 and 223,588.56

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Solution

The fourth proportional to 404,876.96, 558,734.64 and 223,588.56 is: 308,554.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,876.96 : 558,734.64 = 223,588.56 : x
  2. Step 2: Convert to fraction form
    404,876.96/558,734.64 = 223,588.56/x
  3. Step 3: Cross multiply
    404,876.96x = 558,734.64 × 223,588.56
  4. Step 4: Simplify right side
    404,876.96x = 124,926,673,579.72
  5. Step 5: Solve for x
    x = 124,926,673,579.72/404,876.96
  6. Step 6: Final answer
    x = 308,554.66

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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.