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Finding the Fourth Proportional to 551,344.99, 826,628.65 and 214,104.73

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Solution

The fourth proportional to 551,344.99, 826,628.65 and 214,104.73 is: 321,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,344.99 : 826,628.65 = 214,104.73 : x
  2. Step 2: Convert to fraction form
    551,344.99/826,628.65 = 214,104.73/x
  3. Step 3: Cross multiply
    551,344.99x = 826,628.65 × 214,104.73
  4. Step 4: Simplify right side
    551,344.99x = 176,985,103,918.52
  5. Step 5: Solve for x
    x = 176,985,103,918.52/551,344.99
  6. Step 6: Final answer
    x = 321,006.10

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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.