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Finding the Fourth Proportional to 326,474.96, 488,662.64 and 168,488.24

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Solution

The fourth proportional to 326,474.96, 488,662.64 and 168,488.24 is: 252,190.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,474.96 : 488,662.64 = 168,488.24 : x
  2. Step 2: Convert to fraction form
    326,474.96/488,662.64 = 168,488.24/x
  3. Step 3: Cross multiply
    326,474.96x = 488,662.64 × 168,488.24
  4. Step 4: Simplify right side
    326,474.96x = 82,333,908,167.35
  5. Step 5: Solve for x
    x = 82,333,908,167.35/326,474.96
  6. Step 6: Final answer
    x = 252,190.58

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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.