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Finding the Fourth Proportional to 298,404.09, 447,610.84 and 166,125.11

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Solution

The fourth proportional to 298,404.09, 447,610.84 and 166,125.11 is: 249,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,404.09 : 447,610.84 = 166,125.11 : x
  2. Step 2: Convert to fraction form
    298,404.09/447,610.84 = 166,125.11/x
  3. Step 3: Cross multiply
    298,404.09x = 447,610.84 × 166,125.11
  4. Step 4: Simplify right side
    298,404.09x = 74,359,397,378.83
  5. Step 5: Solve for x
    x = 74,359,397,378.83/298,404.09
  6. Step 6: Final answer
    x = 249,190.28

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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.