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Finding the Fourth Proportional to 1,514.84, 2,272.27 and 488.84

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Solution

The fourth proportional to 1,514.84, 2,272.27 and 488.84 is: 733.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.84 : 2,272.27 = 488.84 : x
  2. Step 2: Convert to fraction form
    1,514.84/2,272.27 = 488.84/x
  3. Step 3: Cross multiply
    1,514.84x = 2,272.27 × 488.84
  4. Step 4: Simplify right side
    1,514.84x = 1,110,776.47
  5. Step 5: Solve for x
    x = 1,110,776.47/1,514.84
  6. Step 6: Final answer
    x = 733.26

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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.