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Finding the Fourth Proportional to 468.68, 703.40 and 237.84

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Solution

The fourth proportional to 468.68, 703.40 and 237.84 is: 356.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.68 : 703.40 = 237.84 : x
  2. Step 2: Convert to fraction form
    468.68/703.40 = 237.84/x
  3. Step 3: Cross multiply
    468.68x = 703.40 × 237.84
  4. Step 4: Simplify right side
    468.68x = 167,296.66
  5. Step 5: Solve for x
    x = 167,296.66/468.68
  6. Step 6: Final answer
    x = 356.95

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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.