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Finding the Fourth Proportional to 303,609.59, 419,016.77 and 252,532.20

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Solution

The fourth proportional to 303,609.59, 419,016.77 and 252,532.20 is: 348,524.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,609.59 : 419,016.77 = 252,532.20 : x
  2. Step 2: Convert to fraction form
    303,609.59/419,016.77 = 252,532.20/x
  3. Step 3: Cross multiply
    303,609.59x = 419,016.77 × 252,532.20
  4. Step 4: Simplify right side
    303,609.59x = 105,815,228,020.64
  5. Step 5: Solve for x
    x = 105,815,228,020.64/303,609.59
  6. Step 6: Final answer
    x = 348,524.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.