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Finding the Fourth Proportional to 1,466.76, 2,200.12 and 440.76

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Solution

The fourth proportional to 1,466.76, 2,200.12 and 440.76 is: 661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.76 : 2,200.12 = 440.76 : x
  2. Step 2: Convert to fraction form
    1,466.76/2,200.12 = 440.76/x
  3. Step 3: Cross multiply
    1,466.76x = 2,200.12 × 440.76
  4. Step 4: Simplify right side
    1,466.76x = 969,724.89
  5. Step 5: Solve for x
    x = 969,724.89/1,466.76
  6. Step 6: Final answer
    x = 661.13

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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.