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Finding the Fourth Proportional to 395.84, 593.88 and 152.48

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Solution

The fourth proportional to 395.84, 593.88 and 152.48 is: 228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.84 : 593.88 = 152.48 : x
  2. Step 2: Convert to fraction form
    395.84/593.88 = 152.48/x
  3. Step 3: Cross multiply
    395.84x = 593.88 × 152.48
  4. Step 4: Simplify right side
    395.84x = 90,554.82
  5. Step 5: Solve for x
    x = 90,554.82/395.84
  6. Step 6: Final answer
    x = 228.77

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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.