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Finding the Fourth Proportional to 598,419.77, 825,957.81 and 394,506.72

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Solution

The fourth proportional to 598,419.77, 825,957.81 and 394,506.72 is: 544,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,419.77 : 825,957.81 = 394,506.72 : x
  2. Step 2: Convert to fraction form
    598,419.77/825,957.81 = 394,506.72/x
  3. Step 3: Cross multiply
    598,419.77x = 825,957.81 × 394,506.72
  4. Step 4: Simplify right side
    598,419.77x = 325,845,906,481.48
  5. Step 5: Solve for x
    x = 325,845,906,481.48/598,419.77
  6. Step 6: Final answer
    x = 544,510.60

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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.