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Finding the Fourth Proportional to 492,072.70, 738,109.05 and 373,099.90

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Solution

The fourth proportional to 492,072.70, 738,109.05 and 373,099.90 is: 559,649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,072.70 : 738,109.05 = 373,099.90 : x
  2. Step 2: Convert to fraction form
    492,072.70/738,109.05 = 373,099.90/x
  3. Step 3: Cross multiply
    492,072.70x = 738,109.05 × 373,099.90
  4. Step 4: Simplify right side
    492,072.70x = 275,388,412,744.10
  5. Step 5: Solve for x
    x = 275,388,412,744.10/492,072.70
  6. Step 6: Final answer
    x = 559,649.85

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Similar ratio
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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.