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Finding the Fourth Proportional to 451,578.24, 677,393.28 and 136,002.24

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Solution

The fourth proportional to 451,578.24, 677,393.28 and 136,002.24 is: 204,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,578.24 : 677,393.28 = 136,002.24 : x
  2. Step 2: Convert to fraction form
    451,578.24/677,393.28 = 136,002.24/x
  3. Step 3: Cross multiply
    451,578.24x = 677,393.28 × 136,002.24
  4. Step 4: Simplify right side
    451,578.24x = 92,127,003,440.95
  5. Step 5: Solve for x
    x = 92,127,003,440.95/451,578.24
  6. Step 6: Final answer
    x = 204,011.17

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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.