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Finding the Fourth Proportional to 292.16, 437.27 and 270.51

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Solution

The fourth proportional to 292.16, 437.27 and 270.51 is: 404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.16 : 437.27 = 270.51 : x
  2. Step 2: Convert to fraction form
    292.16/437.27 = 270.51/x
  3. Step 3: Cross multiply
    292.16x = 437.27 × 270.51
  4. Step 4: Simplify right side
    292.16x = 118,282.92
  5. Step 5: Solve for x
    x = 118,282.92/292.16
  6. Step 6: Final answer
    x = 404.86

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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.