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Finding the Fourth Proportional to 432.16, 593.81 and 382.96

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Solution

The fourth proportional to 432.16, 593.81 and 382.96 is: 526.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.16 : 593.81 = 382.96 : x
  2. Step 2: Convert to fraction form
    432.16/593.81 = 382.96/x
  3. Step 3: Cross multiply
    432.16x = 593.81 × 382.96
  4. Step 4: Simplify right side
    432.16x = 227,405.48
  5. Step 5: Solve for x
    x = 227,405.48/432.16
  6. Step 6: Final answer
    x = 526.21

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.