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Finding the Fourth Proportional to 483,925.50, 667,785.57 and 269,057.64

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Solution

The fourth proportional to 483,925.50, 667,785.57 and 269,057.64 is: 371,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,925.50 : 667,785.57 = 269,057.64 : x
  2. Step 2: Convert to fraction form
    483,925.50/667,785.57 = 269,057.64/x
  3. Step 3: Cross multiply
    483,925.50x = 667,785.57 × 269,057.64
  4. Step 4: Simplify right side
    483,925.50x = 179,672,809,490.26
  5. Step 5: Solve for x
    x = 179,672,809,490.26/483,925.50
  6. Step 6: Final answer
    x = 371,281.96

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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.