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Finding the Fourth Proportional to 292.24, 437.56 and 214.62

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Solution

The fourth proportional to 292.24, 437.56 and 214.62 is: 321.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.24 : 437.56 = 214.62 : x
  2. Step 2: Convert to fraction form
    292.24/437.56 = 214.62/x
  3. Step 3: Cross multiply
    292.24x = 437.56 × 214.62
  4. Step 4: Simplify right side
    292.24x = 93,909.13
  5. Step 5: Solve for x
    x = 93,909.13/292.24
  6. Step 6: Final answer
    x = 321.34

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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.