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Finding the Fourth Proportional to 475,528.26, 656,440.02 and 303,671.37

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Solution

The fourth proportional to 475,528.26, 656,440.02 and 303,671.37 is: 419,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,528.26 : 656,440.02 = 303,671.37 : x
  2. Step 2: Convert to fraction form
    475,528.26/656,440.02 = 303,671.37/x
  3. Step 3: Cross multiply
    475,528.26x = 656,440.02 × 303,671.37
  4. Step 4: Simplify right side
    475,528.26x = 199,342,040,196.23
  5. Step 5: Solve for x
    x = 199,342,040,196.23/475,528.26
  6. Step 6: Final answer
    x = 419,201.25

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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.