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Finding the Fourth Proportional to 451,770.38, 677,803.17 and 325,307.06

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Solution

The fourth proportional to 451,770.38, 677,803.17 and 325,307.06 is: 488,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,770.38 : 677,803.17 = 325,307.06 : x
  2. Step 2: Convert to fraction form
    451,770.38/677,803.17 = 325,307.06/x
  3. Step 3: Cross multiply
    451,770.38x = 677,803.17 × 325,307.06
  4. Step 4: Simplify right side
    451,770.38x = 220,494,156,491.38
  5. Step 5: Solve for x
    x = 220,494,156,491.38/451,770.38
  6. Step 6: Final answer
    x = 488,066.87

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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.