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Finding the Fourth Proportional to 504,428.65, 756,865.82 and 264,485.18

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Solution

The fourth proportional to 504,428.65, 756,865.82 and 264,485.18 is: 396,844.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,428.65 : 756,865.82 = 264,485.18 : x
  2. Step 2: Convert to fraction form
    504,428.65/756,865.82 = 264,485.18/x
  3. Step 3: Cross multiply
    504,428.65x = 756,865.82 × 264,485.18
  4. Step 4: Simplify right side
    504,428.65x = 200,179,795,191.93
  5. Step 5: Solve for x
    x = 200,179,795,191.93/504,428.65
  6. Step 6: Final answer
    x = 396,844.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.