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Finding the Fourth Proportional to 1,162.73, 1,744.10 and 297.02

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Solution

The fourth proportional to 1,162.73, 1,744.10 and 297.02 is: 445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.73 : 1,744.10 = 297.02 : x
  2. Step 2: Convert to fraction form
    1,162.73/1,744.10 = 297.02/x
  3. Step 3: Cross multiply
    1,162.73x = 1,744.10 × 297.02
  4. Step 4: Simplify right side
    1,162.73x = 518,032.58
  5. Step 5: Solve for x
    x = 518,032.58/1,162.73
  6. Step 6: Final answer
    x = 445.53

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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.