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Finding the Fourth Proportional to 285,221.00, 393,489.63 and 164,297.52

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Solution

The fourth proportional to 285,221.00, 393,489.63 and 164,297.52 is: 226,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,221.00 : 393,489.63 = 164,297.52 : x
  2. Step 2: Convert to fraction form
    285,221.00/393,489.63 = 164,297.52/x
  3. Step 3: Cross multiply
    285,221.00x = 393,489.63 × 164,297.52
  4. Step 4: Simplify right side
    285,221.00x = 64,649,370,354.72
  5. Step 5: Solve for x
    x = 64,649,370,354.72/285,221.00
  6. Step 6: Final answer
    x = 226,664.13

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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.