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Finding the Fourth Proportional to 1,204.48, 1,662.16 and 673.33

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Solution

The fourth proportional to 1,204.48, 1,662.16 and 673.33 is: 929.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204.48 : 1,662.16 = 673.33 : x
  2. Step 2: Convert to fraction form
    1,204.48/1,662.16 = 673.33/x
  3. Step 3: Cross multiply
    1,204.48x = 1,662.16 × 673.33
  4. Step 4: Simplify right side
    1,204.48x = 1,119,182.19
  5. Step 5: Solve for x
    x = 1,119,182.19/1,204.48
  6. Step 6: Final answer
    x = 929.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.