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Finding the Fourth Proportional to 275,862.08, 380,863.95 and 180,529.94

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Solution

The fourth proportional to 275,862.08, 380,863.95 and 180,529.94 is: 249,245.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,862.08 : 380,863.95 = 180,529.94 : x
  2. Step 2: Convert to fraction form
    275,862.08/380,863.95 = 180,529.94/x
  3. Step 3: Cross multiply
    275,862.08x = 380,863.95 × 180,529.94
  4. Step 4: Simplify right side
    275,862.08x = 68,757,346,041.66
  5. Step 5: Solve for x
    x = 68,757,346,041.66/275,862.08
  6. Step 6: Final answer
    x = 249,245.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.