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Finding the Fourth Proportional to 582.94, 804.46 and 320.96

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Solution

The fourth proportional to 582.94, 804.46 and 320.96 is: 442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.94 : 804.46 = 320.96 : x
  2. Step 2: Convert to fraction form
    582.94/804.46 = 320.96/x
  3. Step 3: Cross multiply
    582.94x = 804.46 × 320.96
  4. Step 4: Simplify right side
    582.94x = 258,194.66
  5. Step 5: Solve for x
    x = 258,194.66/582.94
  6. Step 6: Final answer
    x = 442.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.