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Finding the Fourth Proportional to 283.52, 425.01 and 214.00

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Solution

The fourth proportional to 283.52, 425.01 and 214.00 is: 320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    283.52 : 425.01 = 214.00 : x
  2. Step 2: Convert to fraction form
    283.52/425.01 = 214.00/x
  3. Step 3: Cross multiply
    283.52x = 425.01 × 214.00
  4. Step 4: Simplify right side
    283.52x = 90,948.94
  5. Step 5: Solve for x
    x = 90,948.94/283.52
  6. Step 6: Final answer
    x = 320.79

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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.