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Finding the Fourth Proportional to 494,748.72, 682,751.82 and 268,394.28

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Solution

The fourth proportional to 494,748.72, 682,751.82 and 268,394.28 is: 370,383.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,748.72 : 682,751.82 = 268,394.28 : x
  2. Step 2: Convert to fraction form
    494,748.72/682,751.82 = 268,394.28/x
  3. Step 3: Cross multiply
    494,748.72x = 682,751.82 × 268,394.28
  4. Step 4: Simplify right side
    494,748.72x = 183,246,683,147.59
  5. Step 5: Solve for x
    x = 183,246,683,147.59/494,748.72
  6. Step 6: Final answer
    x = 370,383.34

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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.