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Finding the Fourth Proportional to 446,762.48, 616,621.86 and 265,439.48

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Solution

The fourth proportional to 446,762.48, 616,621.86 and 265,439.48 is: 366,359.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,762.48 : 616,621.86 = 265,439.48 : x
  2. Step 2: Convert to fraction form
    446,762.48/616,621.86 = 265,439.48/x
  3. Step 3: Cross multiply
    446,762.48x = 616,621.86 × 265,439.48
  4. Step 4: Simplify right side
    446,762.48x = 163,675,782,791.92
  5. Step 5: Solve for x
    x = 163,675,782,791.92/446,762.48
  6. Step 6: Final answer
    x = 366,359.74

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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.