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Finding the Fourth Proportional to 1,232.88, 1,701.35 and 673.36

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Solution

The fourth proportional to 1,232.88, 1,701.35 and 673.36 is: 929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.88 : 1,701.35 = 673.36 : x
  2. Step 2: Convert to fraction form
    1,232.88/1,701.35 = 673.36/x
  3. Step 3: Cross multiply
    1,232.88x = 1,701.35 × 673.36
  4. Step 4: Simplify right side
    1,232.88x = 1,145,621.04
  5. Step 5: Solve for x
    x = 1,145,621.04/1,232.88
  6. Step 6: Final answer
    x = 929.22

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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.