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Finding the Fourth Proportional to 303,610.09, 419,017.46 and 252,532.70

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Solution

The fourth proportional to 303,610.09, 419,017.46 and 252,532.70 is: 348,524.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,610.09 : 419,017.46 = 252,532.70 : x
  2. Step 2: Convert to fraction form
    303,610.09/419,017.46 = 252,532.70/x
  3. Step 3: Cross multiply
    303,610.09x = 419,017.46 × 252,532.70
  4. Step 4: Simplify right side
    303,610.09x = 105,815,609,258.28
  5. Step 5: Solve for x
    x = 105,815,609,258.28/303,610.09
  6. Step 6: Final answer
    x = 348,524.69

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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.