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Finding the Fourth Proportional to 594,619.98, 820,577.70 and 322,687.80

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Solution

The fourth proportional to 594,619.98, 820,577.70 and 322,687.80 is: 445,310.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,619.98 : 820,577.70 = 322,687.80 : x
  2. Step 2: Convert to fraction form
    594,619.98/820,577.70 = 322,687.80/x
  3. Step 3: Cross multiply
    594,619.98x = 820,577.70 × 322,687.80
  4. Step 4: Simplify right side
    594,619.98x = 264,790,412,742.06
  5. Step 5: Solve for x
    x = 264,790,412,742.06/594,619.98
  6. Step 6: Final answer
    x = 445,310.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.