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Finding the Fourth Proportional to 934.44, 1,401.34 and 357.48

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Solution

The fourth proportional to 934.44, 1,401.34 and 357.48 is: 536.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.44 : 1,401.34 = 357.48 : x
  2. Step 2: Convert to fraction form
    934.44/1,401.34 = 357.48/x
  3. Step 3: Cross multiply
    934.44x = 1,401.34 × 357.48
  4. Step 4: Simplify right side
    934.44x = 500,951.02
  5. Step 5: Solve for x
    x = 500,951.02/934.44
  6. Step 6: Final answer
    x = 536.10

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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.