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Finding the Fourth Proportional to 500,634.75, 750,868.99 and 180,725.25

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Solution

The fourth proportional to 500,634.75, 750,868.99 and 180,725.25 is: 271,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,634.75 : 750,868.99 = 180,725.25 : x
  2. Step 2: Convert to fraction form
    500,634.75/750,868.99 = 180,725.25/x
  3. Step 3: Cross multiply
    500,634.75x = 750,868.99 × 180,725.25
  4. Step 4: Simplify right side
    500,634.75x = 135,700,985,935.00
  5. Step 5: Solve for x
    x = 135,700,985,935.00/500,634.75
  6. Step 6: Final answer
    x = 271,057.86

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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.