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Finding the Fourth Proportional to 395.64, 592.92 and 362.16

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Solution

The fourth proportional to 395.64, 592.92 and 362.16 is: 542.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.64 : 592.92 = 362.16 : x
  2. Step 2: Convert to fraction form
    395.64/592.92 = 362.16/x
  3. Step 3: Cross multiply
    395.64x = 592.92 × 362.16
  4. Step 4: Simplify right side
    395.64x = 214,731.91
  5. Step 5: Solve for x
    x = 214,731.91/395.64
  6. Step 6: Final answer
    x = 542.75

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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.