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Finding the Fourth Proportional to 1,716.66, 2,574.96 and 484.08

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Solution

The fourth proportional to 1,716.66, 2,574.96 and 484.08 is: 726.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.66 : 2,574.96 = 484.08 : x
  2. Step 2: Convert to fraction form
    1,716.66/2,574.96 = 484.08/x
  3. Step 3: Cross multiply
    1,716.66x = 2,574.96 × 484.08
  4. Step 4: Simplify right side
    1,716.66x = 1,246,486.64
  5. Step 5: Solve for x
    x = 1,246,486.64/1,716.66
  6. Step 6: Final answer
    x = 726.11

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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.