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Finding the Fourth Proportional to 481,023.64, 663,767.41 and 325,658.88

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Solution

The fourth proportional to 481,023.64, 663,767.41 and 325,658.88 is: 449,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,023.64 : 663,767.41 = 325,658.88 : x
  2. Step 2: Convert to fraction form
    481,023.64/663,767.41 = 325,658.88/x
  3. Step 3: Cross multiply
    481,023.64x = 663,767.41 × 325,658.88
  4. Step 4: Simplify right side
    481,023.64x = 216,161,750,506.95
  5. Step 5: Solve for x
    x = 216,161,750,506.95/481,023.64
  6. Step 6: Final answer
    x = 449,378.65

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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.