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Finding the Fourth Proportional to 362,404.62, 543,618.30 and 172,885.68

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Solution

The fourth proportional to 362,404.62, 543,618.30 and 172,885.68 is: 259,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,404.62 : 543,618.30 = 172,885.68 : x
  2. Step 2: Convert to fraction form
    362,404.62/543,618.30 = 172,885.68/x
  3. Step 3: Cross multiply
    362,404.62x = 543,618.30 × 172,885.68
  4. Step 4: Simplify right side
    362,404.62x = 93,983,819,455.94
  5. Step 5: Solve for x
    x = 93,983,819,455.94/362,404.62
  6. Step 6: Final answer
    x = 259,333.94

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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.