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Finding the Fourth Proportional to 451,706.86, 623,351.22 and 247,753.60

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Solution

The fourth proportional to 451,706.86, 623,351.22 and 247,753.60 is: 341,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,706.86 : 623,351.22 = 247,753.60 : x
  2. Step 2: Convert to fraction form
    451,706.86/623,351.22 = 247,753.60/x
  3. Step 3: Cross multiply
    451,706.86x = 623,351.22 × 247,753.60
  4. Step 4: Simplify right side
    451,706.86x = 154,437,508,819.39
  5. Step 5: Solve for x
    x = 154,437,508,819.39/451,706.86
  6. Step 6: Final answer
    x = 341,897.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.