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Finding the Fourth Proportional to 1,042.97, 1,563.23 and 464.63

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Solution

The fourth proportional to 1,042.97, 1,563.23 and 464.63 is: 696.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042.97 : 1,563.23 = 464.63 : x
  2. Step 2: Convert to fraction form
    1,042.97/1,563.23 = 464.63/x
  3. Step 3: Cross multiply
    1,042.97x = 1,563.23 × 464.63
  4. Step 4: Simplify right side
    1,042.97x = 726,316.90
  5. Step 5: Solve for x
    x = 726,316.90/1,042.97
  6. Step 6: Final answer
    x = 696.40

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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.