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Finding the Fourth Proportional to 404,759.34, 558,564.30 and 223,467.36

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Solution

The fourth proportional to 404,759.34, 558,564.30 and 223,467.36 is: 308,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,759.34 : 558,564.30 = 223,467.36 : x
  2. Step 2: Convert to fraction form
    404,759.34/558,564.30 = 223,467.36/x
  3. Step 3: Cross multiply
    404,759.34x = 558,564.30 × 223,467.36
  4. Step 4: Simplify right side
    404,759.34x = 124,820,889,511.25
  5. Step 5: Solve for x
    x = 124,820,889,511.25/404,759.34
  6. Step 6: Final answer
    x = 308,382.98

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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.