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Finding the Fourth Proportional to 932.36, 1,396.43 and 536.54

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Solution

The fourth proportional to 932.36, 1,396.43 and 536.54 is: 803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.36 : 1,396.43 = 536.54 : x
  2. Step 2: Convert to fraction form
    932.36/1,396.43 = 536.54/x
  3. Step 3: Cross multiply
    932.36x = 1,396.43 × 536.54
  4. Step 4: Simplify right side
    932.36x = 749,240.55
  5. Step 5: Solve for x
    x = 749,240.55/932.36
  6. Step 6: Final answer
    x = 803.60

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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.