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Finding the Fourth Proportional to 1,594.68, 2,391.93 and 440.43

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Solution

The fourth proportional to 1,594.68, 2,391.93 and 440.43 is: 660.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.68 : 2,391.93 = 440.43 : x
  2. Step 2: Convert to fraction form
    1,594.68/2,391.93 = 440.43/x
  3. Step 3: Cross multiply
    1,594.68x = 2,391.93 × 440.43
  4. Step 4: Simplify right side
    1,594.68x = 1,053,477.73
  5. Step 5: Solve for x
    x = 1,053,477.73/1,594.68
  6. Step 6: Final answer
    x = 660.62

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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.