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Finding the Fourth Proportional to 326,022.40, 488,839.20 and 168,558.40

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Solution

The fourth proportional to 326,022.40, 488,839.20 and 168,558.40 is: 252,737.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,022.40 : 488,839.20 = 168,558.40 : x
  2. Step 2: Convert to fraction form
    326,022.40/488,839.20 = 168,558.40/x
  3. Step 3: Cross multiply
    326,022.40x = 488,839.20 × 168,558.40
  4. Step 4: Simplify right side
    326,022.40x = 82,397,953,409.28
  5. Step 5: Solve for x
    x = 82,397,953,409.28/326,022.40
  6. Step 6: Final answer
    x = 252,737.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.