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Finding the Fourth Proportional to 1,700.46, 2,550.60 and 546.12

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Solution

The fourth proportional to 1,700.46, 2,550.60 and 546.12 is: 819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.46 : 2,550.60 = 546.12 : x
  2. Step 2: Convert to fraction form
    1,700.46/2,550.60 = 546.12/x
  3. Step 3: Cross multiply
    1,700.46x = 2,550.60 × 546.12
  4. Step 4: Simplify right side
    1,700.46x = 1,392,933.67
  5. Step 5: Solve for x
    x = 1,392,933.67/1,700.46
  6. Step 6: Final answer
    x = 819.15

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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.