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Finding the Fourth Proportional to 1,076.95, 1,614.84 and 460.27

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Solution

The fourth proportional to 1,076.95, 1,614.84 and 460.27 is: 690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076.95 : 1,614.84 = 460.27 : x
  2. Step 2: Convert to fraction form
    1,076.95/1,614.84 = 460.27/x
  3. Step 3: Cross multiply
    1,076.95x = 1,614.84 × 460.27
  4. Step 4: Simplify right side
    1,076.95x = 743,262.41
  5. Step 5: Solve for x
    x = 743,262.41/1,076.95
  6. Step 6: Final answer
    x = 690.15

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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.