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Finding the Fourth Proportional to 369.34, 554.14 and 369.34

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Solution

The fourth proportional to 369.34, 554.14 and 369.34 is: 554.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.34 : 554.14 = 369.34 : x
  2. Step 2: Convert to fraction form
    369.34/554.14 = 369.34/x
  3. Step 3: Cross multiply
    369.34x = 554.14 × 369.34
  4. Step 4: Simplify right side
    369.34x = 204,666.07
  5. Step 5: Solve for x
    x = 204,666.07/369.34
  6. Step 6: Final answer
    x = 554.14

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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.