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Finding the Fourth Proportional to 453,171.82, 679,612.21 and 149,497.72

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Solution

The fourth proportional to 453,171.82, 679,612.21 and 149,497.72 is: 224,198.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,171.82 : 679,612.21 = 149,497.72 : x
  2. Step 2: Convert to fraction form
    453,171.82/679,612.21 = 149,497.72/x
  3. Step 3: Cross multiply
    453,171.82x = 679,612.21 × 149,497.72
  4. Step 4: Simplify right side
    453,171.82x = 101,600,475,879.16
  5. Step 5: Solve for x
    x = 101,600,475,879.16/453,171.82
  6. Step 6: Final answer
    x = 224,198.57

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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.