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Finding the Fourth Proportional to 1,024.80, 1,414.32 and 582.84

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Solution

The fourth proportional to 1,024.80, 1,414.32 and 582.84 is: 804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.80 : 1,414.32 = 582.84 : x
  2. Step 2: Convert to fraction form
    1,024.80/1,414.32 = 582.84/x
  3. Step 3: Cross multiply
    1,024.80x = 1,414.32 × 582.84
  4. Step 4: Simplify right side
    1,024.80x = 824,322.27
  5. Step 5: Solve for x
    x = 824,322.27/1,024.80
  6. Step 6: Final answer
    x = 804.37

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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.