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Finding the Fourth Proportional to 483,306.64, 667,205.58 and 302,119.36

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Solution

The fourth proportional to 483,306.64, 667,205.58 and 302,119.36 is: 417,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,306.64 : 667,205.58 = 302,119.36 : x
  2. Step 2: Convert to fraction form
    483,306.64/667,205.58 = 302,119.36/x
  3. Step 3: Cross multiply
    483,306.64x = 667,205.58 × 302,119.36
  4. Step 4: Simplify right side
    483,306.64x = 201,575,722,818.03
  5. Step 5: Solve for x
    x = 201,575,722,818.03/483,306.64
  6. Step 6: Final answer
    x = 417,076.25

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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.