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Finding the Fourth Proportional to 395.52, 593.34 and 152.25

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Solution

The fourth proportional to 395.52, 593.34 and 152.25 is: 228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.52 : 593.34 = 152.25 : x
  2. Step 2: Convert to fraction form
    395.52/593.34 = 152.25/x
  3. Step 3: Cross multiply
    395.52x = 593.34 × 152.25
  4. Step 4: Simplify right side
    395.52x = 90,336.02
  5. Step 5: Solve for x
    x = 90,336.02/395.52
  6. Step 6: Final answer
    x = 228.40

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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.