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Finding the Fourth Proportional to 304.24, 455.98 and 174.35

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Solution

The fourth proportional to 304.24, 455.98 and 174.35 is: 261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.24 : 455.98 = 174.35 : x
  2. Step 2: Convert to fraction form
    304.24/455.98 = 174.35/x
  3. Step 3: Cross multiply
    304.24x = 455.98 × 174.35
  4. Step 4: Simplify right side
    304.24x = 79,500.11
  5. Step 5: Solve for x
    x = 79,500.11/304.24
  6. Step 6: Final answer
    x = 261.31

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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.