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Finding the Fourth Proportional to 625,958.88, 863,744.04 and 371,260.32

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Solution

The fourth proportional to 625,958.88, 863,744.04 and 371,260.32 is: 512,292.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,958.88 : 863,744.04 = 371,260.32 : x
  2. Step 2: Convert to fraction form
    625,958.88/863,744.04 = 371,260.32/x
  3. Step 3: Cross multiply
    625,958.88x = 863,744.04 × 371,260.32
  4. Step 4: Simplify right side
    625,958.88x = 320,673,888,688.49
  5. Step 5: Solve for x
    x = 320,673,888,688.49/625,958.88
  6. Step 6: Final answer
    x = 512,292.26

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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.