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Finding the Fourth Proportional to 372,634.50, 514,236.83 and 202,869.84

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Solution

The fourth proportional to 372,634.50, 514,236.83 and 202,869.84 is: 279,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,634.50 : 514,236.83 = 202,869.84 : x
  2. Step 2: Convert to fraction form
    372,634.50/514,236.83 = 202,869.84/x
  3. Step 3: Cross multiply
    372,634.50x = 514,236.83 × 202,869.84
  4. Step 4: Simplify right side
    372,634.50x = 104,323,142,409.86
  5. Step 5: Solve for x
    x = 104,323,142,409.86/372,634.50
  6. Step 6: Final answer
    x = 279,961.04

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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.