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Finding the Fourth Proportional to 253,862.10, 380,793.15 and 183,003.30

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Solution

The fourth proportional to 253,862.10, 380,793.15 and 183,003.30 is: 274,504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,862.10 : 380,793.15 = 183,003.30 : x
  2. Step 2: Convert to fraction form
    253,862.10/380,793.15 = 183,003.30/x
  3. Step 3: Cross multiply
    253,862.10x = 380,793.15 × 183,003.30
  4. Step 4: Simplify right side
    253,862.10x = 69,686,403,067.40
  5. Step 5: Solve for x
    x = 69,686,403,067.40/253,862.10
  6. Step 6: Final answer
    x = 274,504.95

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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.