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Finding the Fourth Proportional to 589.51, 883.63 and 384.23

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Solution

The fourth proportional to 589.51, 883.63 and 384.23 is: 575.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.51 : 883.63 = 384.23 : x
  2. Step 2: Convert to fraction form
    589.51/883.63 = 384.23/x
  3. Step 3: Cross multiply
    589.51x = 883.63 × 384.23
  4. Step 4: Simplify right side
    589.51x = 339,517.15
  5. Step 5: Solve for x
    x = 339,517.15/589.51
  6. Step 6: Final answer
    x = 575.93

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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.