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Finding the Fourth Proportional to 379,230.18, 569,011.23 and 179,692.98

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Solution

The fourth proportional to 379,230.18, 569,011.23 and 179,692.98 is: 269,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,230.18 : 569,011.23 = 179,692.98 : x
  2. Step 2: Convert to fraction form
    379,230.18/569,011.23 = 179,692.98/x
  3. Step 3: Cross multiply
    379,230.18x = 569,011.23 × 179,692.98
  4. Step 4: Simplify right side
    379,230.18x = 102,247,323,572.17
  5. Step 5: Solve for x
    x = 102,247,323,572.17/379,230.18
  6. Step 6: Final answer
    x = 269,618.11

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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.