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Finding the Fourth Proportional to 451,363.20, 677,044.80 and 114,403.20

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Solution

The fourth proportional to 451,363.20, 677,044.80 and 114,403.20 is: 171,604.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,363.20 : 677,044.80 = 114,403.20 : x
  2. Step 2: Convert to fraction form
    451,363.20/677,044.80 = 114,403.20/x
  3. Step 3: Cross multiply
    451,363.20x = 677,044.80 × 114,403.20
  4. Step 4: Simplify right side
    451,363.20x = 77,456,091,663.36
  5. Step 5: Solve for x
    x = 77,456,091,663.36/451,363.20
  6. Step 6: Final answer
    x = 171,604.80

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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.