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Finding the Fourth Proportional to 332,815.80, 499,266.90 and 164,422.20

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Solution

The fourth proportional to 332,815.80, 499,266.90 and 164,422.20 is: 246,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,815.80 : 499,266.90 = 164,422.20 : x
  2. Step 2: Convert to fraction form
    332,815.80/499,266.90 = 164,422.20/x
  3. Step 3: Cross multiply
    332,815.80x = 499,266.90 × 164,422.20
  4. Step 4: Simplify right side
    332,815.80x = 82,090,562,085.18
  5. Step 5: Solve for x
    x = 82,090,562,085.18/332,815.80
  6. Step 6: Final answer
    x = 246,654.64

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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.