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Finding the Fourth Proportional to 324,165.42, 446,812.82 and 216,696.24

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Solution

The fourth proportional to 324,165.42, 446,812.82 and 216,696.24 is: 298,682.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,165.42 : 446,812.82 = 216,696.24 : x
  2. Step 2: Convert to fraction form
    324,165.42/446,812.82 = 216,696.24/x
  3. Step 3: Cross multiply
    324,165.42x = 446,812.82 × 216,696.24
  4. Step 4: Simplify right side
    324,165.42x = 96,822,658,077.80
  5. Step 5: Solve for x
    x = 96,822,658,077.80/324,165.42
  6. Step 6: Final answer
    x = 298,682.87

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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.