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Finding the Fourth Proportional to 589.17, 883.37 and 383.88

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Solution

The fourth proportional to 589.17, 883.37 and 383.88 is: 575.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.17 : 883.37 = 383.88 : x
  2. Step 2: Convert to fraction form
    589.17/883.37 = 383.88/x
  3. Step 3: Cross multiply
    589.17x = 883.37 × 383.88
  4. Step 4: Simplify right side
    589.17x = 339,106.16
  5. Step 5: Solve for x
    x = 339,106.16/589.17
  6. Step 6: Final answer
    x = 575.57

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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.