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Finding the Fourth Proportional to 292.02, 437.76 and 231.54

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Solution

The fourth proportional to 292.02, 437.76 and 231.54 is: 347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.02 : 437.76 = 231.54 : x
  2. Step 2: Convert to fraction form
    292.02/437.76 = 231.54/x
  3. Step 3: Cross multiply
    292.02x = 437.76 × 231.54
  4. Step 4: Simplify right side
    292.02x = 101,358.95
  5. Step 5: Solve for x
    x = 101,358.95/292.02
  6. Step 6: Final answer
    x = 347.10

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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.