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Finding the Fourth Proportional to 1,466.11, 2,199.50 and 492.19

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Solution

The fourth proportional to 1,466.11, 2,199.50 and 492.19 is: 738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.11 : 2,199.50 = 492.19 : x
  2. Step 2: Convert to fraction form
    1,466.11/2,199.50 = 492.19/x
  3. Step 3: Cross multiply
    1,466.11x = 2,199.50 × 492.19
  4. Step 4: Simplify right side
    1,466.11x = 1,082,565.79
  5. Step 5: Solve for x
    x = 1,082,565.79/1,466.11
  6. Step 6: Final answer
    x = 738.39

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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.