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Finding the Fourth Proportional to 434.99, 652.52 and 174.96

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Solution

The fourth proportional to 434.99, 652.52 and 174.96 is: 262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.99 : 652.52 = 174.96 : x
  2. Step 2: Convert to fraction form
    434.99/652.52 = 174.96/x
  3. Step 3: Cross multiply
    434.99x = 652.52 × 174.96
  4. Step 4: Simplify right side
    434.99x = 114,162.23
  5. Step 5: Solve for x
    x = 114,162.23/434.99
  6. Step 6: Final answer
    x = 262.45

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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.