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Finding the Fourth Proportional to 531.02, 732.93 and 365.31

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Solution

The fourth proportional to 531.02, 732.93 and 365.31 is: 504.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.02 : 732.93 = 365.31 : x
  2. Step 2: Convert to fraction form
    531.02/732.93 = 365.31/x
  3. Step 3: Cross multiply
    531.02x = 732.93 × 365.31
  4. Step 4: Simplify right side
    531.02x = 267,746.66
  5. Step 5: Solve for x
    x = 267,746.66/531.02
  6. Step 6: Final answer
    x = 504.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.