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Finding the Fourth Proportional to 537,763.18, 807,142.65 and 271,710.94

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Solution

The fourth proportional to 537,763.18, 807,142.65 and 271,710.94 is: 407,817.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,763.18 : 807,142.65 = 271,710.94 : x
  2. Step 2: Convert to fraction form
    537,763.18/807,142.65 = 271,710.94/x
  3. Step 3: Cross multiply
    537,763.18x = 807,142.65 × 271,710.94
  4. Step 4: Simplify right side
    537,763.18x = 219,309,488,145.59
  5. Step 5: Solve for x
    x = 219,309,488,145.59/537,763.18
  6. Step 6: Final answer
    x = 407,817.97

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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.