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Finding the Fourth Proportional to 424,198.85, 636,265.18 and 246,592.58

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Solution

The fourth proportional to 424,198.85, 636,265.18 and 246,592.58 is: 369,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,198.85 : 636,265.18 = 246,592.58 : x
  2. Step 2: Convert to fraction form
    424,198.85/636,265.18 = 246,592.58/x
  3. Step 3: Cross multiply
    424,198.85x = 636,265.18 × 246,592.58
  4. Step 4: Simplify right side
    424,198.85x = 156,898,272,300.36
  5. Step 5: Solve for x
    x = 156,898,272,300.36/424,198.85
  6. Step 6: Final answer
    x = 369,869.63

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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.