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Finding the Fourth Proportional to 759.83, 1,048.38 and 582.96

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Solution

The fourth proportional to 759.83, 1,048.38 and 582.96 is: 804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    759.83 : 1,048.38 = 582.96 : x
  2. Step 2: Convert to fraction form
    759.83/1,048.38 = 582.96/x
  3. Step 3: Cross multiply
    759.83x = 1,048.38 × 582.96
  4. Step 4: Simplify right side
    759.83x = 611,165.35
  5. Step 5: Solve for x
    x = 611,165.35/759.83
  6. Step 6: Final answer
    x = 804.34

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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.