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Finding the Fourth Proportional to 1,716.58, 2,575.13 and 546.19

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Solution

The fourth proportional to 1,716.58, 2,575.13 and 546.19 is: 819.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.58 : 2,575.13 = 546.19 : x
  2. Step 2: Convert to fraction form
    1,716.58/2,575.13 = 546.19/x
  3. Step 3: Cross multiply
    1,716.58x = 2,575.13 × 546.19
  4. Step 4: Simplify right side
    1,716.58x = 1,406,515.57
  5. Step 5: Solve for x
    x = 1,406,515.57/1,716.58
  6. Step 6: Final answer
    x = 819.37

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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.