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Finding the Fourth Proportional to 594,759.55, 820,746.09 and 322,821.60

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Solution

The fourth proportional to 594,759.55, 820,746.09 and 322,821.60 is: 445,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,759.55 : 820,746.09 = 322,821.60 : x
  2. Step 2: Convert to fraction form
    594,759.55/820,746.09 = 322,821.60/x
  3. Step 3: Cross multiply
    594,759.55x = 820,746.09 × 322,821.60
  4. Step 4: Simplify right side
    594,759.55x = 264,954,561,863.81
  5. Step 5: Solve for x
    x = 264,954,561,863.81/594,759.55
  6. Step 6: Final answer
    x = 445,481.81

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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.