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Finding the Fourth Proportional to 404,633.62, 558,394.43 and 223,345.60

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Solution

The fourth proportional to 404,633.62, 558,394.43 and 223,345.60 is: 308,216.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,633.62 : 558,394.43 = 223,345.60 : x
  2. Step 2: Convert to fraction form
    404,633.62/558,394.43 = 223,345.60/x
  3. Step 3: Cross multiply
    404,633.62x = 558,394.43 × 223,345.60
  4. Step 4: Simplify right side
    404,633.62x = 124,714,938,847.94
  5. Step 5: Solve for x
    x = 124,714,938,847.94/404,633.62
  6. Step 6: Final answer
    x = 308,216.94

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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.