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Finding the Fourth Proportional to 483,778.38, 667,622.13 and 265,996.26

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Solution

The fourth proportional to 483,778.38, 667,622.13 and 265,996.26 is: 367,079.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,778.38 : 667,622.13 = 265,996.26 : x
  2. Step 2: Convert to fraction form
    483,778.38/667,622.13 = 265,996.26/x
  3. Step 3: Cross multiply
    483,778.38x = 667,622.13 × 265,996.26
  4. Step 4: Simplify right side
    483,778.38x = 177,584,989,673.23
  5. Step 5: Solve for x
    x = 177,584,989,673.23/483,778.38
  6. Step 6: Final answer
    x = 367,079.22

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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.