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Finding the Fourth Proportional to 404,998.96, 558,896.34 and 223,723.36

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Solution

The fourth proportional to 404,998.96, 558,896.34 and 223,723.36 is: 308,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,998.96 : 558,896.34 = 223,723.36 : x
  2. Step 2: Convert to fraction form
    404,998.96/558,896.34 = 223,723.36/x
  3. Step 3: Cross multiply
    404,998.96x = 558,896.34 × 223,723.36
  4. Step 4: Simplify right side
    404,998.96x = 125,038,167,076.50
  5. Step 5: Solve for x
    x = 125,038,167,076.50/404,998.96
  6. Step 6: Final answer
    x = 308,737.01

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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.