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Finding the Fourth Proportional to 2,476.25, 3,714.38 and 652.25

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Solution

The fourth proportional to 2,476.25, 3,714.38 and 652.25 is: 978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.25 : 3,714.38 = 652.25 : x
  2. Step 2: Convert to fraction form
    2,476.25/3,714.38 = 652.25/x
  3. Step 3: Cross multiply
    2,476.25x = 3,714.38 × 652.25
  4. Step 4: Simplify right side
    2,476.25x = 2,422,704.36
  5. Step 5: Solve for x
    x = 2,422,704.36/2,476.25
  6. Step 6: Final answer
    x = 978.38

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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.