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Finding the Fourth Proportional to 536,103.27, 802,930.19 and 255,817.35

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Solution

The fourth proportional to 536,103.27, 802,930.19 and 255,817.35 is: 383,141.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,103.27 : 802,930.19 = 255,817.35 : x
  2. Step 2: Convert to fraction form
    536,103.27/802,930.19 = 255,817.35/x
  3. Step 3: Cross multiply
    536,103.27x = 802,930.19 × 255,817.35
  4. Step 4: Simplify right side
    536,103.27x = 205,403,472,161.71
  5. Step 5: Solve for x
    x = 205,403,472,161.71/536,103.27
  6. Step 6: Final answer
    x = 383,141.61

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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.