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Finding the Fourth Proportional to 1,708.91, 2,563.51 and 476.33

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Solution

The fourth proportional to 1,708.91, 2,563.51 and 476.33 is: 714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.91 : 2,563.51 = 476.33 : x
  2. Step 2: Convert to fraction form
    1,708.91/2,563.51 = 476.33/x
  3. Step 3: Cross multiply
    1,708.91x = 2,563.51 × 476.33
  4. Step 4: Simplify right side
    1,708.91x = 1,221,081.94
  5. Step 5: Solve for x
    x = 1,221,081.94/1,708.91
  6. Step 6: Final answer
    x = 714.54

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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.