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Finding the Fourth Proportional to 404,543.08, 558,305.22 and 223,294.24

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Solution

The fourth proportional to 404,543.08, 558,305.22 and 223,294.24 is: 308,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,543.08 : 558,305.22 = 223,294.24 : x
  2. Step 2: Convert to fraction form
    404,543.08/558,305.22 = 223,294.24/x
  3. Step 3: Cross multiply
    404,543.08x = 558,305.22 × 223,294.24
  4. Step 4: Simplify right side
    404,543.08x = 124,666,339,787.93
  5. Step 5: Solve for x
    x = 124,666,339,787.93/404,543.08
  6. Step 6: Final answer
    x = 308,165.79

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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.