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Finding the Fourth Proportional to 537,763.79, 807,144.44 and 271,711.14

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Solution

The fourth proportional to 537,763.79, 807,144.44 and 271,711.14 is: 407,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,763.79 : 807,144.44 = 271,711.14 : x
  2. Step 2: Convert to fraction form
    537,763.79/807,144.44 = 271,711.14/x
  3. Step 3: Cross multiply
    537,763.79x = 807,144.44 × 271,711.14
  4. Step 4: Simplify right side
    537,763.79x = 219,310,134,578.51
  5. Step 5: Solve for x
    x = 219,310,134,578.51/537,763.79
  6. Step 6: Final answer
    x = 407,818.71

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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.