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Finding the Fourth Proportional to 1,076.18, 1,614.14 and 556.03

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Solution

The fourth proportional to 1,076.18, 1,614.14 and 556.03 is: 833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076.18 : 1,614.14 = 556.03 : x
  2. Step 2: Convert to fraction form
    1,076.18/1,614.14 = 556.03/x
  3. Step 3: Cross multiply
    1,076.18x = 1,614.14 × 556.03
  4. Step 4: Simplify right side
    1,076.18x = 897,499.41
  5. Step 5: Solve for x
    x = 897,499.41/1,076.18
  6. Step 6: Final answer
    x = 833.97

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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.