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Finding the Fourth Proportional to 324,153.15, 446,795.94 and 216,683.97

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Solution

The fourth proportional to 324,153.15, 446,795.94 and 216,683.97 is: 298,665.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,153.15 : 446,795.94 = 216,683.97 : x
  2. Step 2: Convert to fraction form
    324,153.15/446,795.94 = 216,683.97/x
  3. Step 3: Cross multiply
    324,153.15x = 446,795.94 × 216,683.97
  4. Step 4: Simplify right side
    324,153.15x = 96,813,518,059.08
  5. Step 5: Solve for x
    x = 96,813,518,059.08/324,153.15
  6. Step 6: Final answer
    x = 298,665.98

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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.