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Finding the Fourth Proportional to 274,907.75, 379,372.67 and 167,477.70

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Solution

The fourth proportional to 274,907.75, 379,372.67 and 167,477.70 is: 231,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,907.75 : 379,372.67 = 167,477.70 : x
  2. Step 2: Convert to fraction form
    274,907.75/379,372.67 = 167,477.70/x
  3. Step 3: Cross multiply
    274,907.75x = 379,372.67 × 167,477.70
  4. Step 4: Simplify right side
    274,907.75x = 63,536,462,214.46
  5. Step 5: Solve for x
    x = 63,536,462,214.46/274,907.75
  6. Step 6: Final answer
    x = 231,119.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.