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Finding the Fourth Proportional to 589.18, 883.14 and 383.84

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Solution

The fourth proportional to 589.18, 883.14 and 383.84 is: 575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.18 : 883.14 = 383.84 : x
  2. Step 2: Convert to fraction form
    589.18/883.14 = 383.84/x
  3. Step 3: Cross multiply
    589.18x = 883.14 × 383.84
  4. Step 4: Simplify right side
    589.18x = 338,984.46
  5. Step 5: Solve for x
    x = 338,984.46/589.18
  6. Step 6: Final answer
    x = 575.35

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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.