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Finding the Fourth Proportional to 479,563.92, 661,794.57 and 264,703.95

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Solution

The fourth proportional to 479,563.92, 661,794.57 and 264,703.95 is: 365,289.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,563.92 : 661,794.57 = 264,703.95 : x
  2. Step 2: Convert to fraction form
    479,563.92/661,794.57 = 264,703.95/x
  3. Step 3: Cross multiply
    479,563.92x = 661,794.57 × 264,703.95
  4. Step 4: Simplify right side
    479,563.92x = 175,179,636,767.55
  5. Step 5: Solve for x
    x = 175,179,636,767.55/479,563.92
  6. Step 6: Final answer
    x = 365,289.44

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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.