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Finding the Fourth Proportional to 446,462.85, 616,216.22 and 274,528.77

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Solution

The fourth proportional to 446,462.85, 616,216.22 and 274,528.77 is: 378,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,462.85 : 616,216.22 = 274,528.77 : x
  2. Step 2: Convert to fraction form
    446,462.85/616,216.22 = 274,528.77/x
  3. Step 3: Cross multiply
    446,462.85x = 616,216.22 × 274,528.77
  4. Step 4: Simplify right side
    446,462.85x = 169,169,080,930.65
  5. Step 5: Solve for x
    x = 169,169,080,930.65/446,462.85
  6. Step 6: Final answer
    x = 378,909.65

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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.