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Finding the Fourth Proportional to 483,246.36, 667,213.56 and 302,039.69

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Solution

The fourth proportional to 483,246.36, 667,213.56 and 302,039.69 is: 417,023.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,246.36 : 667,213.56 = 302,039.69 : x
  2. Step 2: Convert to fraction form
    483,246.36/667,213.56 = 302,039.69/x
  3. Step 3: Cross multiply
    483,246.36x = 667,213.56 × 302,039.69
  4. Step 4: Simplify right side
    483,246.36x = 201,524,973,490.13
  5. Step 5: Solve for x
    x = 201,524,973,490.13/483,246.36
  6. Step 6: Final answer
    x = 417,023.26

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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.