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Finding the Fourth Proportional to 1,162.44, 1,742.29 and 468.18

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Solution

The fourth proportional to 1,162.44, 1,742.29 and 468.18 is: 701.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.44 : 1,742.29 = 468.18 : x
  2. Step 2: Convert to fraction form
    1,162.44/1,742.29 = 468.18/x
  3. Step 3: Cross multiply
    1,162.44x = 1,742.29 × 468.18
  4. Step 4: Simplify right side
    1,162.44x = 815,705.81
  5. Step 5: Solve for x
    x = 815,705.81/1,162.44
  6. Step 6: Final answer
    x = 701.72

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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.