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Finding the Fourth Proportional to 369.95, 554.92 and 174.91

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Solution

The fourth proportional to 369.95, 554.92 and 174.91 is: 262.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.95 : 554.92 = 174.91 : x
  2. Step 2: Convert to fraction form
    369.95/554.92 = 174.91/x
  3. Step 3: Cross multiply
    369.95x = 554.92 × 174.91
  4. Step 4: Simplify right side
    369.95x = 97,061.06
  5. Step 5: Solve for x
    x = 97,061.06/369.95
  6. Step 6: Final answer
    x = 262.36

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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.