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Finding the Fourth Proportional to 1,015.68, 1,523.26 and 468.12

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Solution

The fourth proportional to 1,015.68, 1,523.26 and 468.12 is: 702.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.68 : 1,523.26 = 468.12 : x
  2. Step 2: Convert to fraction form
    1,015.68/1,523.26 = 468.12/x
  3. Step 3: Cross multiply
    1,015.68x = 1,523.26 × 468.12
  4. Step 4: Simplify right side
    1,015.68x = 713,072.14
  5. Step 5: Solve for x
    x = 713,072.14/1,015.68
  6. Step 6: Final answer
    x = 702.06

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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.