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Finding the Fourth Proportional to 578,059.88, 867,163.63 and 223,175.39

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Solution

The fourth proportional to 578,059.88, 867,163.63 and 223,175.39 is: 334,791.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,059.88 : 867,163.63 = 223,175.39 : x
  2. Step 2: Convert to fraction form
    578,059.88/867,163.63 = 223,175.39/x
  3. Step 3: Cross multiply
    578,059.88x = 867,163.63 × 223,175.39
  4. Step 4: Simplify right side
    578,059.88x = 193,529,581,319.07
  5. Step 5: Solve for x
    x = 193,529,581,319.07/578,059.88
  6. Step 6: Final answer
    x = 334,791.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.