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Finding the Fourth Proportional to 324,093.40, 486,140.10 and 166,337.80

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Solution

The fourth proportional to 324,093.40, 486,140.10 and 166,337.80 is: 249,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,093.40 : 486,140.10 = 166,337.80 : x
  2. Step 2: Convert to fraction form
    324,093.40/486,140.10 = 166,337.80/x
  3. Step 3: Cross multiply
    324,093.40x = 486,140.10 × 166,337.80
  4. Step 4: Simplify right side
    324,093.40x = 80,863,474,725.78
  5. Step 5: Solve for x
    x = 80,863,474,725.78/324,093.40
  6. Step 6: Final answer
    x = 249,506.70

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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.