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Finding the Fourth Proportional to 1,466.79, 2,199.65 and 492.66

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Solution

The fourth proportional to 1,466.79, 2,199.65 and 492.66 is: 738.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.79 : 2,199.65 = 492.66 : x
  2. Step 2: Convert to fraction form
    1,466.79/2,199.65 = 492.66/x
  3. Step 3: Cross multiply
    1,466.79x = 2,199.65 × 492.66
  4. Step 4: Simplify right side
    1,466.79x = 1,083,677.11
  5. Step 5: Solve for x
    x = 1,083,677.11/1,466.79
  6. Step 6: Final answer
    x = 738.81

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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.