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Finding the Fourth Proportional to 347,072.63, 478,940.24 and 192,014.60

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Solution

The fourth proportional to 347,072.63, 478,940.24 and 192,014.60 is: 264,969.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,072.63 : 478,940.24 = 192,014.60 : x
  2. Step 2: Convert to fraction form
    347,072.63/478,940.24 = 192,014.60/x
  3. Step 3: Cross multiply
    347,072.63x = 478,940.24 × 192,014.60
  4. Step 4: Simplify right side
    347,072.63x = 91,963,516,692.84
  5. Step 5: Solve for x
    x = 91,963,516,692.84/347,072.63
  6. Step 6: Final answer
    x = 264,969.09

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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.