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Finding the Fourth Proportional to 328,626.14, 492,934.09 and 168,609.73

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Solution

The fourth proportional to 328,626.14, 492,934.09 and 168,609.73 is: 252,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,626.14 : 492,934.09 = 168,609.73 : x
  2. Step 2: Convert to fraction form
    328,626.14/492,934.09 = 168,609.73/x
  3. Step 3: Cross multiply
    328,626.14x = 492,934.09 × 168,609.73
  4. Step 4: Simplify right side
    328,626.14x = 83,113,482,169.95
  5. Step 5: Solve for x
    x = 83,113,482,169.95/328,626.14
  6. Step 6: Final answer
    x = 252,911.96

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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.