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Finding the Fourth Proportional to 297,389.90, 446,172.33 and 119,805.50

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Solution

The fourth proportional to 297,389.90, 446,172.33 and 119,805.50 is: 179,743.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,389.90 : 446,172.33 = 119,805.50 : x
  2. Step 2: Convert to fraction form
    297,389.90/446,172.33 = 119,805.50/x
  3. Step 3: Cross multiply
    297,389.90x = 446,172.33 × 119,805.50
  4. Step 4: Simplify right side
    297,389.90x = 53,453,896,850.95
  5. Step 5: Solve for x
    x = 53,453,896,850.95/297,389.90
  6. Step 6: Final answer
    x = 179,743.49

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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.