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Finding the Fourth Proportional to 475,529.01, 656,441.06 and 303,672.12

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Solution

The fourth proportional to 475,529.01, 656,441.06 and 303,672.12 is: 419,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,529.01 : 656,441.06 = 303,672.12 : x
  2. Step 2: Convert to fraction form
    475,529.01/656,441.06 = 303,672.12/x
  3. Step 3: Cross multiply
    475,529.01x = 656,441.06 × 303,672.12
  4. Step 4: Simplify right side
    475,529.01x = 199,342,846,826.89
  5. Step 5: Solve for x
    x = 199,342,846,826.89/475,529.01
  6. Step 6: Final answer
    x = 419,202.28

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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.