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Finding the Fourth Proportional to 586,912.80, 880,369.20 and 547,255.20

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Solution

The fourth proportional to 586,912.80, 880,369.20 and 547,255.20 is: 820,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,912.80 : 880,369.20 = 547,255.20 : x
  2. Step 2: Convert to fraction form
    586,912.80/880,369.20 = 547,255.20/x
  3. Step 3: Cross multiply
    586,912.80x = 880,369.20 × 547,255.20
  4. Step 4: Simplify right side
    586,912.80x = 481,786,622,619.84
  5. Step 5: Solve for x
    x = 481,786,622,619.84/586,912.80
  6. Step 6: Final answer
    x = 820,882.80

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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.