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Finding the Fourth Proportional to 362,449.98, 543,564 and 172,810.35

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Solution

The fourth proportional to 362,449.98, 543,564 and 172,810.35 is: 259,162.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,449.98 : 543,564 = 172,810.35 : x
  2. Step 2: Convert to fraction form
    362,449.98/543,564 = 172,810.35/x
  3. Step 3: Cross multiply
    362,449.98x = 543,564 × 172,810.35
  4. Step 4: Simplify right side
    362,449.98x = 93,933,485,087.40
  5. Step 5: Solve for x
    x = 93,933,485,087.40/362,449.98
  6. Step 6: Final answer
    x = 259,162.62

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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.