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Finding the Fourth Proportional to 934.66, 1,401.82 and 250.50

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Solution

The fourth proportional to 934.66, 1,401.82 and 250.50 is: 375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.66 : 1,401.82 = 250.50 : x
  2. Step 2: Convert to fraction form
    934.66/1,401.82 = 250.50/x
  3. Step 3: Cross multiply
    934.66x = 1,401.82 × 250.50
  4. Step 4: Simplify right side
    934.66x = 351,155.91
  5. Step 5: Solve for x
    x = 351,155.91/934.66
  6. Step 6: Final answer
    x = 375.70

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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.