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Finding the Fourth Proportional to 1,042.44, 1,563.23 and 464.91

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Solution

The fourth proportional to 1,042.44, 1,563.23 and 464.91 is: 697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042.44 : 1,563.23 = 464.91 : x
  2. Step 2: Convert to fraction form
    1,042.44/1,563.23 = 464.91/x
  3. Step 3: Cross multiply
    1,042.44x = 1,563.23 × 464.91
  4. Step 4: Simplify right side
    1,042.44x = 726,756.56
  5. Step 5: Solve for x
    x = 726,756.56/1,042.44
  6. Step 6: Final answer
    x = 697.17

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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.