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Finding the Fourth Proportional to 1,041.88, 1,563.36 and 464.64

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Solution

The fourth proportional to 1,041.88, 1,563.36 and 464.64 is: 697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.88 : 1,563.36 = 464.64 : x
  2. Step 2: Convert to fraction form
    1,041.88/1,563.36 = 464.64/x
  3. Step 3: Cross multiply
    1,041.88x = 1,563.36 × 464.64
  4. Step 4: Simplify right side
    1,041.88x = 726,399.59
  5. Step 5: Solve for x
    x = 726,399.59/1,041.88
  6. Step 6: Final answer
    x = 697.20

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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.