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Finding the Fourth Proportional to 934.06, 1,402.32 and 544.42

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Solution

The fourth proportional to 934.06, 1,402.32 and 544.42 is: 817.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.06 : 1,402.32 = 544.42 : x
  2. Step 2: Convert to fraction form
    934.06/1,402.32 = 544.42/x
  3. Step 3: Cross multiply
    934.06x = 1,402.32 × 544.42
  4. Step 4: Simplify right side
    934.06x = 763,451.05
  5. Step 5: Solve for x
    x = 763,451.05/934.06
  6. Step 6: Final answer
    x = 817.35

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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.