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Finding the Fourth Proportional to 404,716.32, 558,493.85 and 223,424.34

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Solution

The fourth proportional to 404,716.32, 558,493.85 and 223,424.34 is: 308,317.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,716.32 : 558,493.85 = 223,424.34 : x
  2. Step 2: Convert to fraction form
    404,716.32/558,493.85 = 223,424.34/x
  3. Step 3: Cross multiply
    404,716.32x = 558,493.85 × 223,424.34
  4. Step 4: Simplify right side
    404,716.32x = 124,781,118,713.19
  5. Step 5: Solve for x
    x = 124,781,118,713.19/404,716.32
  6. Step 6: Final answer
    x = 308,317.49

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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.