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Finding the Fourth Proportional to 531.24, 795.20 and 368.43

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Solution

The fourth proportional to 531.24, 795.20 and 368.43 is: 551.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.24 : 795.20 = 368.43 : x
  2. Step 2: Convert to fraction form
    531.24/795.20 = 368.43/x
  3. Step 3: Cross multiply
    531.24x = 795.20 × 368.43
  4. Step 4: Simplify right side
    531.24x = 292,973.69
  5. Step 5: Solve for x
    x = 292,973.69/531.24
  6. Step 6: Final answer
    x = 551.49

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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.