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Finding the Fourth Proportional to 400,469.77, 600,801.02 and 163,813.13

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Solution

The fourth proportional to 400,469.77, 600,801.02 and 163,813.13 is: 245,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,469.77 : 600,801.02 = 163,813.13 : x
  2. Step 2: Convert to fraction form
    400,469.77/600,801.02 = 163,813.13/x
  3. Step 3: Cross multiply
    400,469.77x = 600,801.02 × 163,813.13
  4. Step 4: Simplify right side
    400,469.77x = 98,419,098,477.86
  5. Step 5: Solve for x
    x = 98,419,098,477.86/400,469.77
  6. Step 6: Final answer
    x = 245,759.12

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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.