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Finding the Fourth Proportional to 703.24, 1,054.50 and 240.82

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Solution

The fourth proportional to 703.24, 1,054.50 and 240.82 is: 361.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.24 : 1,054.50 = 240.82 : x
  2. Step 2: Convert to fraction form
    703.24/1,054.50 = 240.82/x
  3. Step 3: Cross multiply
    703.24x = 1,054.50 × 240.82
  4. Step 4: Simplify right side
    703.24x = 253,944.69
  5. Step 5: Solve for x
    x = 253,944.69/703.24
  6. Step 6: Final answer
    x = 361.11

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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.