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Finding the Fourth Proportional to 834,308.64, 1,251,450 and 203,221.44

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Solution

The fourth proportional to 834,308.64, 1,251,450 and 203,221.44 is: 304,829.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,308.64 : 1,251,450 = 203,221.44 : x
  2. Step 2: Convert to fraction form
    834,308.64/1,251,450 = 203,221.44/x
  3. Step 3: Cross multiply
    834,308.64x = 1,251,450 × 203,221.44
  4. Step 4: Simplify right side
    834,308.64x = 254,321,471,088
  5. Step 5: Solve for x
    x = 254,321,471,088/834,308.64
  6. Step 6: Final answer
    x = 304,829.00

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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.