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Finding the Fourth Proportional to 434.99, 652.48 and 110.34

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Solution

The fourth proportional to 434.99, 652.48 and 110.34 is: 165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.99 : 652.48 = 110.34 : x
  2. Step 2: Convert to fraction form
    434.99/652.48 = 110.34/x
  3. Step 3: Cross multiply
    434.99x = 652.48 × 110.34
  4. Step 4: Simplify right side
    434.99x = 71,994.64
  5. Step 5: Solve for x
    x = 71,994.64/434.99
  6. Step 6: Final answer
    x = 165.51

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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.