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Finding the Fourth Proportional to 404,633.98, 558,394.93 and 223,345.96

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Solution

The fourth proportional to 404,633.98, 558,394.93 and 223,345.96 is: 308,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,633.98 : 558,394.93 = 223,345.96 : x
  2. Step 2: Convert to fraction form
    404,633.98/558,394.93 = 223,345.96/x
  3. Step 3: Cross multiply
    404,633.98x = 558,394.93 × 223,345.96
  4. Step 4: Simplify right side
    404,633.98x = 124,715,249,745.63
  5. Step 5: Solve for x
    x = 124,715,249,745.63/404,633.98
  6. Step 6: Final answer
    x = 308,217.44

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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.