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Finding the Fourth Proportional to 595,379.80, 821,605.17 and 340,725.52

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Solution

The fourth proportional to 595,379.80, 821,605.17 and 340,725.52 is: 470,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,379.80 : 821,605.17 = 340,725.52 : x
  2. Step 2: Convert to fraction form
    595,379.80/821,605.17 = 340,725.52/x
  3. Step 3: Cross multiply
    595,379.80x = 821,605.17 × 340,725.52
  4. Step 4: Simplify right side
    595,379.80x = 279,941,848,782.94
  5. Step 5: Solve for x
    x = 279,941,848,782.94/595,379.80
  6. Step 6: Final answer
    x = 470,190.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.