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Finding the Fourth Proportional to 699,850.56, 965,951.31 and 457,993.02

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Solution

The fourth proportional to 699,850.56, 965,951.31 and 457,993.02 is: 632,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,850.56 : 965,951.31 = 457,993.02 : x
  2. Step 2: Convert to fraction form
    699,850.56/965,951.31 = 457,993.02/x
  3. Step 3: Cross multiply
    699,850.56x = 965,951.31 × 457,993.02
  4. Step 4: Simplify right side
    699,850.56x = 442,398,957,639.86
  5. Step 5: Solve for x
    x = 442,398,957,639.86/699,850.56
  6. Step 6: Final answer
    x = 632,133.46

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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.