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Finding the Fourth Proportional to 298,558.48, 411,991.92 and 164,422.48

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Solution

The fourth proportional to 298,558.48, 411,991.92 and 164,422.48 is: 226,892.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,558.48 : 411,991.92 = 164,422.48 : x
  2. Step 2: Convert to fraction form
    298,558.48/411,991.92 = 164,422.48/x
  3. Step 3: Cross multiply
    298,558.48x = 411,991.92 × 164,422.48
  4. Step 4: Simplify right side
    298,558.48x = 67,740,733,226.36
  5. Step 5: Solve for x
    x = 67,740,733,226.36/298,558.48
  6. Step 6: Final answer
    x = 226,892.68

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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.