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Finding the Fourth Proportional to 934.52, 1,289.61 and 536.24

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Solution

The fourth proportional to 934.52, 1,289.61 and 536.24 is: 740.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.52 : 1,289.61 = 536.24 : x
  2. Step 2: Convert to fraction form
    934.52/1,289.61 = 536.24/x
  3. Step 3: Cross multiply
    934.52x = 1,289.61 × 536.24
  4. Step 4: Simplify right side
    934.52x = 691,540.47
  5. Step 5: Solve for x
    x = 691,540.47/934.52
  6. Step 6: Final answer
    x = 740.00

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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.