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Finding the Fourth Proportional to 448.84, 673.18 and 124.24

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Solution

The fourth proportional to 448.84, 673.18 and 124.24 is: 186.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.84 : 673.18 = 124.24 : x
  2. Step 2: Convert to fraction form
    448.84/673.18 = 124.24/x
  3. Step 3: Cross multiply
    448.84x = 673.18 × 124.24
  4. Step 4: Simplify right side
    448.84x = 83,635.88
  5. Step 5: Solve for x
    x = 83,635.88/448.84
  6. Step 6: Final answer
    x = 186.34

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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.