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Finding the Fourth Proportional to 1,600.41, 2,401.98 and 627.20

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Solution

The fourth proportional to 1,600.41, 2,401.98 and 627.20 is: 941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600.41 : 2,401.98 = 627.20 : x
  2. Step 2: Convert to fraction form
    1,600.41/2,401.98 = 627.20/x
  3. Step 3: Cross multiply
    1,600.41x = 2,401.98 × 627.20
  4. Step 4: Simplify right side
    1,600.41x = 1,506,509.85
  5. Step 5: Solve for x
    x = 1,506,509.85/1,600.41
  6. Step 6: Final answer
    x = 941.33

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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.