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Finding the Fourth Proportional to 296,557.80, 443,799.90 and 271,674.60

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Solution

The fourth proportional to 296,557.80, 443,799.90 and 271,674.60 is: 406,562.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,557.80 : 443,799.90 = 271,674.60 : x
  2. Step 2: Convert to fraction form
    296,557.80/443,799.90 = 271,674.60/x
  3. Step 3: Cross multiply
    296,557.80x = 443,799.90 × 271,674.60
  4. Step 4: Simplify right side
    296,557.80x = 120,569,160,312.54
  5. Step 5: Solve for x
    x = 120,569,160,312.54/296,557.80
  6. Step 6: Final answer
    x = 406,562.09

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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.