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Finding the Fourth Proportional to 551,491.80, 826,362.90 and 364,284.60

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Solution

The fourth proportional to 551,491.80, 826,362.90 and 364,284.60 is: 545,849.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,491.80 : 826,362.90 = 364,284.60 : x
  2. Step 2: Convert to fraction form
    551,491.80/826,362.90 = 364,284.60/x
  3. Step 3: Cross multiply
    551,491.80x = 826,362.90 × 364,284.60
  4. Step 4: Simplify right side
    551,491.80x = 301,031,278,481.34
  5. Step 5: Solve for x
    x = 301,031,278,481.34/551,491.80
  6. Step 6: Final answer
    x = 545,849.06

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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.