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Finding the Fourth Proportional to 537,969.88, 806,289.66 and 271,806.04

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Solution

The fourth proportional to 537,969.88, 806,289.66 and 271,806.04 is: 407,372.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,969.88 : 806,289.66 = 271,806.04 : x
  2. Step 2: Convert to fraction form
    537,969.88/806,289.66 = 271,806.04/x
  3. Step 3: Cross multiply
    537,969.88x = 806,289.66 × 271,806.04
  4. Step 4: Simplify right side
    537,969.88x = 219,154,399,577.55
  5. Step 5: Solve for x
    x = 219,154,399,577.55/537,969.88
  6. Step 6: Final answer
    x = 407,372.99

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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.