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Finding the Fourth Proportional to 1,004.24, 1,505.32 and 483.46

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Solution

The fourth proportional to 1,004.24, 1,505.32 and 483.46 is: 724.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.24 : 1,505.32 = 483.46 : x
  2. Step 2: Convert to fraction form
    1,004.24/1,505.32 = 483.46/x
  3. Step 3: Cross multiply
    1,004.24x = 1,505.32 × 483.46
  4. Step 4: Simplify right side
    1,004.24x = 727,757.04
  5. Step 5: Solve for x
    x = 727,757.04/1,004.24
  6. Step 6: Final answer
    x = 724.68

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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.