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Finding the Fourth Proportional to 1,116.32, 1,673.46 and 466.70

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Solution

The fourth proportional to 1,116.32, 1,673.46 and 466.70 is: 699.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116.32 : 1,673.46 = 466.70 : x
  2. Step 2: Convert to fraction form
    1,116.32/1,673.46 = 466.70/x
  3. Step 3: Cross multiply
    1,116.32x = 1,673.46 × 466.70
  4. Step 4: Simplify right side
    1,116.32x = 780,995.41
  5. Step 5: Solve for x
    x = 780,995.41/1,116.32
  6. Step 6: Final answer
    x = 699.62

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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.