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Finding the Fourth Proportional to 606,018.34, 909,195.63 and 264,491.56

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Solution

The fourth proportional to 606,018.34, 909,195.63 and 264,491.56 is: 396,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,018.34 : 909,195.63 = 264,491.56 : x
  2. Step 2: Convert to fraction form
    606,018.34/909,195.63 = 264,491.56/x
  3. Step 3: Cross multiply
    606,018.34x = 909,195.63 × 264,491.56
  4. Step 4: Simplify right side
    606,018.34x = 240,474,570,523.88
  5. Step 5: Solve for x
    x = 240,474,570,523.88/606,018.34
  6. Step 6: Final answer
    x = 396,810.71

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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.