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Finding the Fourth Proportional to 1,064.28, 1,596.63 and 333.70

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Solution

The fourth proportional to 1,064.28, 1,596.63 and 333.70 is: 500.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.28 : 1,596.63 = 333.70 : x
  2. Step 2: Convert to fraction form
    1,064.28/1,596.63 = 333.70/x
  3. Step 3: Cross multiply
    1,064.28x = 1,596.63 × 333.70
  4. Step 4: Simplify right side
    1,064.28x = 532,795.43
  5. Step 5: Solve for x
    x = 532,795.43/1,064.28
  6. Step 6: Final answer
    x = 500.62

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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.