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Finding the Fourth Proportional to 469.41, 703.50 and 238.05

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Solution

The fourth proportional to 469.41, 703.50 and 238.05 is: 356.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.41 : 703.50 = 238.05 : x
  2. Step 2: Convert to fraction form
    469.41/703.50 = 238.05/x
  3. Step 3: Cross multiply
    469.41x = 703.50 × 238.05
  4. Step 4: Simplify right side
    469.41x = 167,468.18
  5. Step 5: Solve for x
    x = 167,468.18/469.41
  6. Step 6: Final answer
    x = 356.76

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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.