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Finding the Fourth Proportional to 701.88, 1,052.88 and 336.84

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Solution

The fourth proportional to 701.88, 1,052.88 and 336.84 is: 505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.88 : 1,052.88 = 336.84 : x
  2. Step 2: Convert to fraction form
    701.88/1,052.88 = 336.84/x
  3. Step 3: Cross multiply
    701.88x = 1,052.88 × 336.84
  4. Step 4: Simplify right side
    701.88x = 354,652.10
  5. Step 5: Solve for x
    x = 354,652.10/701.88
  6. Step 6: Final answer
    x = 505.29

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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.