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Finding the Fourth Proportional to 569,369.94, 854,143.50 and 190,173.30

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Solution

The fourth proportional to 569,369.94, 854,143.50 and 190,173.30 is: 285,289.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,369.94 : 854,143.50 = 190,173.30 : x
  2. Step 2: Convert to fraction form
    569,369.94/854,143.50 = 190,173.30/x
  3. Step 3: Cross multiply
    569,369.94x = 854,143.50 × 190,173.30
  4. Step 4: Simplify right side
    569,369.94x = 162,435,288,068.55
  5. Step 5: Solve for x
    x = 162,435,288,068.55/569,369.94
  6. Step 6: Final answer
    x = 285,289.54

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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.