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Finding the Fourth Proportional to 589.57, 882.70 and 383.62

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Solution

The fourth proportional to 589.57, 882.70 and 383.62 is: 574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.57 : 882.70 = 383.62 : x
  2. Step 2: Convert to fraction form
    589.57/882.70 = 383.62/x
  3. Step 3: Cross multiply
    589.57x = 882.70 × 383.62
  4. Step 4: Simplify right side
    589.57x = 338,621.37
  5. Step 5: Solve for x
    x = 338,621.37/589.57
  6. Step 6: Final answer
    x = 574.35

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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.