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Finding the Fourth Proportional to 592.16, 886.80 and 361.20

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Solution

The fourth proportional to 592.16, 886.80 and 361.20 is: 540.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.16 : 886.80 = 361.20 : x
  2. Step 2: Convert to fraction form
    592.16/886.80 = 361.20/x
  3. Step 3: Cross multiply
    592.16x = 886.80 × 361.20
  4. Step 4: Simplify right side
    592.16x = 320,312.16
  5. Step 5: Solve for x
    x = 320,312.16/592.16
  6. Step 6: Final answer
    x = 540.92

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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.