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Finding the Fourth Proportional to 369.52, 510 and 214.36

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Solution

The fourth proportional to 369.52, 510 and 214.36 is: 295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.52 : 510 = 214.36 : x
  2. Step 2: Convert to fraction form
    369.52/510 = 214.36/x
  3. Step 3: Cross multiply
    369.52x = 510 × 214.36
  4. Step 4: Simplify right side
    369.52x = 109,323.60
  5. Step 5: Solve for x
    x = 109,323.60/369.52
  6. Step 6: Final answer
    x = 295.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.