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Finding the Fourth Proportional to 1,232.79, 1,701.23 and 673.25

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Solution

The fourth proportional to 1,232.79, 1,701.23 and 673.25 is: 929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.79 : 1,701.23 = 673.25 : x
  2. Step 2: Convert to fraction form
    1,232.79/1,701.23 = 673.25/x
  3. Step 3: Cross multiply
    1,232.79x = 1,701.23 × 673.25
  4. Step 4: Simplify right side
    1,232.79x = 1,145,353.10
  5. Step 5: Solve for x
    x = 1,145,353.10/1,232.79
  6. Step 6: Final answer
    x = 929.07

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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.