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Finding the Fourth Proportional to 504,880.75, 696,734.49 and 275,438.04

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Solution

The fourth proportional to 504,880.75, 696,734.49 and 275,438.04 is: 380,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,880.75 : 696,734.49 = 275,438.04 : x
  2. Step 2: Convert to fraction form
    504,880.75/696,734.49 = 275,438.04/x
  3. Step 3: Cross multiply
    504,880.75x = 696,734.49 × 275,438.04
  4. Step 4: Simplify right side
    504,880.75x = 191,907,182,326.00
  5. Step 5: Solve for x
    x = 191,907,182,326.00/504,880.75
  6. Step 6: Final answer
    x = 380,103.98

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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.