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Finding the Fourth Proportional to 573,022.98, 859,000.11 and 193,678.38

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Solution

The fourth proportional to 573,022.98, 859,000.11 and 193,678.38 is: 290,336.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,022.98 : 859,000.11 = 193,678.38 : x
  2. Step 2: Convert to fraction form
    573,022.98/859,000.11 = 193,678.38/x
  3. Step 3: Cross multiply
    573,022.98x = 859,000.11 × 193,678.38
  4. Step 4: Simplify right side
    573,022.98x = 166,369,749,724.62
  5. Step 5: Solve for x
    x = 166,369,749,724.62/573,022.98
  6. Step 6: Final answer
    x = 290,336.96

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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.