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Finding the Fourth Proportional to 483.87, 667.04 and 425.10

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Solution

The fourth proportional to 483.87, 667.04 and 425.10 is: 586.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.87 : 667.04 = 425.10 : x
  2. Step 2: Convert to fraction form
    483.87/667.04 = 425.10/x
  3. Step 3: Cross multiply
    483.87x = 667.04 × 425.10
  4. Step 4: Simplify right side
    483.87x = 283,555.33
  5. Step 5: Solve for x
    x = 283,555.33/483.87
  6. Step 6: Final answer
    x = 586.01

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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.