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Finding the Fourth Proportional to 292.51, 438.89 and 182.99

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Solution

The fourth proportional to 292.51, 438.89 and 182.99 is: 274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.51 : 438.89 = 182.99 : x
  2. Step 2: Convert to fraction form
    292.51/438.89 = 182.99/x
  3. Step 3: Cross multiply
    292.51x = 438.89 × 182.99
  4. Step 4: Simplify right side
    292.51x = 80,312.66
  5. Step 5: Solve for x
    x = 80,312.66/292.51
  6. Step 6: Final answer
    x = 274.56

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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.