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Finding the Fourth Proportional to 543,321.69, 814,797.99 and 188,252.93

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Solution

The fourth proportional to 543,321.69, 814,797.99 and 188,252.93 is: 282,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,321.69 : 814,797.99 = 188,252.93 : x
  2. Step 2: Convert to fraction form
    543,321.69/814,797.99 = 188,252.93/x
  3. Step 3: Cross multiply
    543,321.69x = 814,797.99 × 188,252.93
  4. Step 4: Simplify right side
    543,321.69x = 153,388,104,901.62
  5. Step 5: Solve for x
    x = 153,388,104,901.62/543,321.69
  6. Step 6: Final answer
    x = 282,315.45

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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.