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Finding the Fourth Proportional to 625,796.24, 863,590.46 and 339,310.16

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Solution

The fourth proportional to 625,796.24, 863,590.46 and 339,310.16 is: 468,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,796.24 : 863,590.46 = 339,310.16 : x
  2. Step 2: Convert to fraction form
    625,796.24/863,590.46 = 339,310.16/x
  3. Step 3: Cross multiply
    625,796.24x = 863,590.46 × 339,310.16
  4. Step 4: Simplify right side
    625,796.24x = 293,025,017,157.07
  5. Step 5: Solve for x
    x = 293,025,017,157.07/625,796.24
  6. Step 6: Final answer
    x = 468,243.49

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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.