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Finding the Fourth Proportional to 1,022.68, 1,532.58 and 444.34

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Solution

The fourth proportional to 1,022.68, 1,532.58 and 444.34 is: 665.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022.68 : 1,532.58 = 444.34 : x
  2. Step 2: Convert to fraction form
    1,022.68/1,532.58 = 444.34/x
  3. Step 3: Cross multiply
    1,022.68x = 1,532.58 × 444.34
  4. Step 4: Simplify right side
    1,022.68x = 680,986.60
  5. Step 5: Solve for x
    x = 680,986.60/1,022.68
  6. Step 6: Final answer
    x = 665.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.