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Finding the Fourth Proportional to 303,516.30, 425,544.90 and 303,516.30

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Solution

The fourth proportional to 303,516.30, 425,544.90 and 303,516.30 is: 425,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,516.30 : 425,544.90 = 303,516.30 : x
  2. Step 2: Convert to fraction form
    303,516.30/425,544.90 = 303,516.30/x
  3. Step 3: Cross multiply
    303,516.30x = 425,544.90 × 303,516.30
  4. Step 4: Simplify right side
    303,516.30x = 129,159,813,531.87
  5. Step 5: Solve for x
    x = 129,159,813,531.87/303,516.30
  6. Step 6: Final answer
    x = 425,544.90

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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.