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Finding the Fourth Proportional to 1,076.02, 1,614.01 and 306.52

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Solution

The fourth proportional to 1,076.02, 1,614.01 and 306.52 is: 459.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076.02 : 1,614.01 = 306.52 : x
  2. Step 2: Convert to fraction form
    1,076.02/1,614.01 = 306.52/x
  3. Step 3: Cross multiply
    1,076.02x = 1,614.01 × 306.52
  4. Step 4: Simplify right side
    1,076.02x = 494,726.35
  5. Step 5: Solve for x
    x = 494,726.35/1,076.02
  6. Step 6: Final answer
    x = 459.77

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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.