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Finding the Fourth Proportional to 625,737.92, 863,535.33 and 353,846.49

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Solution

The fourth proportional to 625,737.92, 863,535.33 and 353,846.49 is: 488,317.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,737.92 : 863,535.33 = 353,846.49 : x
  2. Step 2: Convert to fraction form
    625,737.92/863,535.33 = 353,846.49/x
  3. Step 3: Cross multiply
    625,737.92x = 863,535.33 × 353,846.49
  4. Step 4: Simplify right side
    625,737.92x = 305,558,943,742.26
  5. Step 5: Solve for x
    x = 305,558,943,742.26/625,737.92
  6. Step 6: Final answer
    x = 488,317.77

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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.