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Finding the Fourth Proportional to 1,148.97, 1,723.46 and 327.33

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Solution

The fourth proportional to 1,148.97, 1,723.46 and 327.33 is: 491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148.97 : 1,723.46 = 327.33 : x
  2. Step 2: Convert to fraction form
    1,148.97/1,723.46 = 327.33/x
  3. Step 3: Cross multiply
    1,148.97x = 1,723.46 × 327.33
  4. Step 4: Simplify right side
    1,148.97x = 564,140.16
  5. Step 5: Solve for x
    x = 564,140.16/1,148.97
  6. Step 6: Final answer
    x = 491.00

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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.