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Finding the Fourth Proportional to 446,705.56, 616,597.33 and 285,993.46

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Solution

The fourth proportional to 446,705.56, 616,597.33 and 285,993.46 is: 394,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,705.56 : 616,597.33 = 285,993.46 : x
  2. Step 2: Convert to fraction form
    446,705.56/616,597.33 = 285,993.46/x
  3. Step 3: Cross multiply
    446,705.56x = 616,597.33 × 285,993.46
  4. Step 4: Simplify right side
    446,705.56x = 176,342,800,750.48
  5. Step 5: Solve for x
    x = 176,342,800,750.48/446,705.56
  6. Step 6: Final answer
    x = 394,762.95

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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.