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Finding the Fourth Proportional to 1,024.75, 1,536.94 and 294.18

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Solution

The fourth proportional to 1,024.75, 1,536.94 and 294.18 is: 441.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.75 : 1,536.94 = 294.18 : x
  2. Step 2: Convert to fraction form
    1,024.75/1,536.94 = 294.18/x
  3. Step 3: Cross multiply
    1,024.75x = 1,536.94 × 294.18
  4. Step 4: Simplify right side
    1,024.75x = 452,137.01
  5. Step 5: Solve for x
    x = 452,137.01/1,024.75
  6. Step 6: Final answer
    x = 441.22

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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.