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Finding the Fourth Proportional to 1,173.99, 1,619.29 and 732.04

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Solution

The fourth proportional to 1,173.99, 1,619.29 and 732.04 is: 1,009.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173.99 : 1,619.29 = 732.04 : x
  2. Step 2: Convert to fraction form
    1,173.99/1,619.29 = 732.04/x
  3. Step 3: Cross multiply
    1,173.99x = 1,619.29 × 732.04
  4. Step 4: Simplify right side
    1,173.99x = 1,185,381.92
  5. Step 5: Solve for x
    x = 1,185,381.92/1,173.99
  6. Step 6: Final answer
    x = 1,009.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.