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Finding the Fourth Proportional to 292.59, 437.96 and 214.33

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Solution

The fourth proportional to 292.59, 437.96 and 214.33 is: 320.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.59 : 437.96 = 214.33 : x
  2. Step 2: Convert to fraction form
    292.59/437.96 = 214.33/x
  3. Step 3: Cross multiply
    292.59x = 437.96 × 214.33
  4. Step 4: Simplify right side
    292.59x = 93,867.97
  5. Step 5: Solve for x
    x = 93,867.97/292.59
  6. Step 6: Final answer
    x = 320.82

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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.