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Finding the Fourth Proportional to 580,907.43, 869,496.36 and 310,359.49

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Solution

The fourth proportional to 580,907.43, 869,496.36 and 310,359.49 is: 464,542.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,907.43 : 869,496.36 = 310,359.49 : x
  2. Step 2: Convert to fraction form
    580,907.43/869,496.36 = 310,359.49/x
  3. Step 3: Cross multiply
    580,907.43x = 869,496.36 × 310,359.49
  4. Step 4: Simplify right side
    580,907.43x = 269,856,446,846.46
  5. Step 5: Solve for x
    x = 269,856,446,846.46/580,907.43
  6. Step 6: Final answer
    x = 464,542.94

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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.