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Finding the Fourth Proportional to 1,446.34, 1,996.02 and 923.08

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Solution

The fourth proportional to 1,446.34, 1,996.02 and 923.08 is: 1,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.34 : 1,996.02 = 923.08 : x
  2. Step 2: Convert to fraction form
    1,446.34/1,996.02 = 923.08/x
  3. Step 3: Cross multiply
    1,446.34x = 1,996.02 × 923.08
  4. Step 4: Simplify right side
    1,446.34x = 1,842,486.14
  5. Step 5: Solve for x
    x = 1,842,486.14/1,446.34
  6. Step 6: Final answer
    x = 1,273.90

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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.