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Finding the Fourth Proportional to 483,646.68, 667,225.26 and 302,043.36

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Solution

The fourth proportional to 483,646.68, 667,225.26 and 302,043.36 is: 416,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,646.68 : 667,225.26 = 302,043.36 : x
  2. Step 2: Convert to fraction form
    483,646.68/667,225.26 = 302,043.36/x
  3. Step 3: Cross multiply
    483,646.68x = 667,225.26 × 302,043.36
  4. Step 4: Simplify right side
    483,646.68x = 201,530,959,407.27
  5. Step 5: Solve for x
    x = 201,530,959,407.27/483,646.68
  6. Step 6: Final answer
    x = 416,690.46

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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.