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Finding the Fourth Proportional to 573,021.98, 858,998.61 and 193,677.38

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Solution

The fourth proportional to 573,021.98, 858,998.61 and 193,677.38 is: 290,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,021.98 : 858,998.61 = 193,677.38 : x
  2. Step 2: Convert to fraction form
    573,021.98/858,998.61 = 193,677.38/x
  3. Step 3: Cross multiply
    573,021.98x = 858,998.61 × 193,677.38
  4. Step 4: Simplify right side
    573,021.98x = 166,368,600,208.44
  5. Step 5: Solve for x
    x = 166,368,600,208.44/573,021.98
  6. Step 6: Final answer
    x = 290,335.46

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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.