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Finding the Fourth Proportional to 586,028.52, 879,100.19 and 300,936.67

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Solution

The fourth proportional to 586,028.52, 879,100.19 and 300,936.67 is: 451,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,028.52 : 879,100.19 = 300,936.67 : x
  2. Step 2: Convert to fraction form
    586,028.52/879,100.19 = 300,936.67/x
  3. Step 3: Cross multiply
    586,028.52x = 879,100.19 × 300,936.67
  4. Step 4: Simplify right side
    586,028.52x = 264,553,481,201.05
  5. Step 5: Solve for x
    x = 264,553,481,201.05/586,028.52
  6. Step 6: Final answer
    x = 451,434.48

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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.