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Finding the Fourth Proportional to 1,696.13, 2,544.38 and 463.64

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Solution

The fourth proportional to 1,696.13, 2,544.38 and 463.64 is: 695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.13 : 2,544.38 = 463.64 : x
  2. Step 2: Convert to fraction form
    1,696.13/2,544.38 = 463.64/x
  3. Step 3: Cross multiply
    1,696.13x = 2,544.38 × 463.64
  4. Step 4: Simplify right side
    1,696.13x = 1,179,661.30
  5. Step 5: Solve for x
    x = 1,179,661.30/1,696.13
  6. Step 6: Final answer
    x = 695.50

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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.