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Finding the Fourth Proportional to 384,692.98, 576,966.99 and 104,173.30

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Solution

The fourth proportional to 384,692.98, 576,966.99 and 104,173.30 is: 156,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,692.98 : 576,966.99 = 104,173.30 : x
  2. Step 2: Convert to fraction form
    384,692.98/576,966.99 = 104,173.30/x
  3. Step 3: Cross multiply
    384,692.98x = 576,966.99 × 104,173.30
  4. Step 4: Simplify right side
    384,692.98x = 60,104,555,339.37
  5. Step 5: Solve for x
    x = 60,104,555,339.37/384,692.98
  6. Step 6: Final answer
    x = 156,240.32

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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.