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Finding the Fourth Proportional to 1,700.85, 2,550.91 and 467.92

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Solution

The fourth proportional to 1,700.85, 2,550.91 and 467.92 is: 701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.85 : 2,550.91 = 467.92 : x
  2. Step 2: Convert to fraction form
    1,700.85/2,550.91 = 467.92/x
  3. Step 3: Cross multiply
    1,700.85x = 2,550.91 × 467.92
  4. Step 4: Simplify right side
    1,700.85x = 1,193,621.81
  5. Step 5: Solve for x
    x = 1,193,621.81/1,700.85
  6. Step 6: Final answer
    x = 701.78

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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.