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Finding the Fourth Proportional to 582.86, 804.42 and 350.12

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Solution

The fourth proportional to 582.86, 804.42 and 350.12 is: 483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.86 : 804.42 = 350.12 : x
  2. Step 2: Convert to fraction form
    582.86/804.42 = 350.12/x
  3. Step 3: Cross multiply
    582.86x = 804.42 × 350.12
  4. Step 4: Simplify right side
    582.86x = 281,643.53
  5. Step 5: Solve for x
    x = 281,643.53/582.86
  6. Step 6: Final answer
    x = 483.21

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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.