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Finding the Fourth Proportional to 656,800.89, 906,436.58 and 366,503.73

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Solution

The fourth proportional to 656,800.89, 906,436.58 and 366,503.73 is: 505,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,800.89 : 906,436.58 = 366,503.73 : x
  2. Step 2: Convert to fraction form
    656,800.89/906,436.58 = 366,503.73/x
  3. Step 3: Cross multiply
    656,800.89x = 906,436.58 × 366,503.73
  4. Step 4: Simplify right side
    656,800.89x = 332,212,387,578.44
  5. Step 5: Solve for x
    x = 332,212,387,578.44/656,800.89
  6. Step 6: Final answer
    x = 505,803.80

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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.