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Finding the Fourth Proportional to 448.98, 673.62 and 175.14

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Solution

The fourth proportional to 448.98, 673.62 and 175.14 is: 262.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.98 : 673.62 = 175.14 : x
  2. Step 2: Convert to fraction form
    448.98/673.62 = 175.14/x
  3. Step 3: Cross multiply
    448.98x = 673.62 × 175.14
  4. Step 4: Simplify right side
    448.98x = 117,977.81
  5. Step 5: Solve for x
    x = 117,977.81/448.98
  6. Step 6: Final answer
    x = 262.77

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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.