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Finding the Fourth Proportional to 394,228.16, 591,333.60 and 169,737.92

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Solution

The fourth proportional to 394,228.16, 591,333.60 and 169,737.92 is: 254,603.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,228.16 : 591,333.60 = 169,737.92 : x
  2. Step 2: Convert to fraction form
    394,228.16/591,333.60 = 169,737.92/x
  3. Step 3: Cross multiply
    394,228.16x = 591,333.60 × 169,737.92
  4. Step 4: Simplify right side
    394,228.16x = 100,371,735,290.11
  5. Step 5: Solve for x
    x = 100,371,735,290.11/394,228.16
  6. Step 6: Final answer
    x = 254,603.16

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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.