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Finding the Fourth Proportional to 1,153.24, 1,730.67 and 605.14

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Solution

The fourth proportional to 1,153.24, 1,730.67 and 605.14 is: 908.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153.24 : 1,730.67 = 605.14 : x
  2. Step 2: Convert to fraction form
    1,153.24/1,730.67 = 605.14/x
  3. Step 3: Cross multiply
    1,153.24x = 1,730.67 × 605.14
  4. Step 4: Simplify right side
    1,153.24x = 1,047,297.64
  5. Step 5: Solve for x
    x = 1,047,297.64/1,153.24
  6. Step 6: Final answer
    x = 908.14

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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.