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Finding the Fourth Proportional to 303,956.70, 426,472.50 and 303,956.70

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Solution

The fourth proportional to 303,956.70, 426,472.50 and 303,956.70 is: 426,472.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,956.70 : 426,472.50 = 303,956.70 : x
  2. Step 2: Convert to fraction form
    303,956.70/426,472.50 = 303,956.70/x
  3. Step 3: Cross multiply
    303,956.70x = 426,472.50 × 303,956.70
  4. Step 4: Simplify right side
    303,956.70x = 129,629,173,740.75
  5. Step 5: Solve for x
    x = 129,629,173,740.75/303,956.70
  6. Step 6: Final answer
    x = 426,472.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.