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Finding the Fourth Proportional to 550,874.07, 826,181.82 and 266,423.94

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Solution

The fourth proportional to 550,874.07, 826,181.82 and 266,423.94 is: 399,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,874.07 : 826,181.82 = 266,423.94 : x
  2. Step 2: Convert to fraction form
    550,874.07/826,181.82 = 266,423.94/x
  3. Step 3: Cross multiply
    550,874.07x = 826,181.82 × 266,423.94
  4. Step 4: Simplify right side
    550,874.07x = 220,114,615,640.77
  5. Step 5: Solve for x
    x = 220,114,615,640.77/550,874.07
  6. Step 6: Final answer
    x = 399,573.38

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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.