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Finding the Fourth Proportional to 451,888.47, 677,850.35 and 136,345.41

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Solution

The fourth proportional to 451,888.47, 677,850.35 and 136,345.41 is: 204,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,888.47 : 677,850.35 = 136,345.41 : x
  2. Step 2: Convert to fraction form
    451,888.47/677,850.35 = 136,345.41/x
  3. Step 3: Cross multiply
    451,888.47x = 677,850.35 × 136,345.41
  4. Step 4: Simplify right side
    451,888.47x = 92,421,783,207.67
  5. Step 5: Solve for x
    x = 92,421,783,207.67/451,888.47
  6. Step 6: Final answer
    x = 204,523.44

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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.