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Finding the Fourth Proportional to 395.48, 592.34 and 384.52

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Solution

The fourth proportional to 395.48, 592.34 and 384.52 is: 575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.48 : 592.34 = 384.52 : x
  2. Step 2: Convert to fraction form
    395.48/592.34 = 384.52/x
  3. Step 3: Cross multiply
    395.48x = 592.34 × 384.52
  4. Step 4: Simplify right side
    395.48x = 227,766.58
  5. Step 5: Solve for x
    x = 227,766.58/395.48
  6. Step 6: Final answer
    x = 575.92

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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.