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Finding the Fourth Proportional to 446,704.68, 616,596.12 and 285,992.58

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Solution

The fourth proportional to 446,704.68, 616,596.12 and 285,992.58 is: 394,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,704.68 : 616,596.12 = 285,992.58 : x
  2. Step 2: Convert to fraction form
    446,704.68/616,596.12 = 285,992.58/x
  3. Step 3: Cross multiply
    446,704.68x = 616,596.12 × 285,992.58
  4. Step 4: Simplify right side
    446,704.68x = 176,341,915,176.79
  5. Step 5: Solve for x
    x = 176,341,915,176.79/446,704.68
  6. Step 6: Final answer
    x = 394,761.74

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1.5x scale

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.