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Finding the Fourth Proportional to 362,136.30, 543,204.45 and 359,511.90

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Solution

The fourth proportional to 362,136.30, 543,204.45 and 359,511.90 is: 539,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,136.30 : 543,204.45 = 359,511.90 : x
  2. Step 2: Convert to fraction form
    362,136.30/543,204.45 = 359,511.90/x
  3. Step 3: Cross multiply
    362,136.30x = 543,204.45 × 359,511.90
  4. Step 4: Simplify right side
    362,136.30x = 195,288,463,907.96
  5. Step 5: Solve for x
    x = 195,288,463,907.96/362,136.30
  6. Step 6: Final answer
    x = 539,267.85

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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.