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Finding the Fourth Proportional to 1,029.34, 1,544.03 and 298.92

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Solution

The fourth proportional to 1,029.34, 1,544.03 and 298.92 is: 448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029.34 : 1,544.03 = 298.92 : x
  2. Step 2: Convert to fraction form
    1,029.34/1,544.03 = 298.92/x
  3. Step 3: Cross multiply
    1,029.34x = 1,544.03 × 298.92
  4. Step 4: Simplify right side
    1,029.34x = 461,539.95
  5. Step 5: Solve for x
    x = 461,539.95/1,029.34
  6. Step 6: Final answer
    x = 448.39

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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.