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Finding the Fourth Proportional to 1,029.24, 1,544.13 and 298.89

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Solution

The fourth proportional to 1,029.24, 1,544.13 and 298.89 is: 448.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029.24 : 1,544.13 = 298.89 : x
  2. Step 2: Convert to fraction form
    1,029.24/1,544.13 = 298.89/x
  3. Step 3: Cross multiply
    1,029.24x = 1,544.13 × 298.89
  4. Step 4: Simplify right side
    1,029.24x = 461,525.02
  5. Step 5: Solve for x
    x = 461,525.02/1,029.24
  6. Step 6: Final answer
    x = 448.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.