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Finding the Fourth Proportional to 350,508.66, 483,702.09 and 189,363.41

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Solution

The fourth proportional to 350,508.66, 483,702.09 and 189,363.41 is: 261,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,508.66 : 483,702.09 = 189,363.41 : x
  2. Step 2: Convert to fraction form
    350,508.66/483,702.09 = 189,363.41/x
  3. Step 3: Cross multiply
    350,508.66x = 483,702.09 × 189,363.41
  4. Step 4: Simplify right side
    350,508.66x = 91,595,477,186.53
  5. Step 5: Solve for x
    x = 91,595,477,186.53/350,508.66
  6. Step 6: Final answer
    x = 261,321.58

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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.