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Finding the Fourth Proportional to 298,489.44, 445,550.28 and 263,061.12

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Solution

The fourth proportional to 298,489.44, 445,550.28 and 263,061.12 is: 392,667.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,489.44 : 445,550.28 = 263,061.12 : x
  2. Step 2: Convert to fraction form
    298,489.44/445,550.28 = 263,061.12/x
  3. Step 3: Cross multiply
    298,489.44x = 445,550.28 × 263,061.12
  4. Step 4: Simplify right side
    298,489.44x = 117,206,955,673.11
  5. Step 5: Solve for x
    x = 117,206,955,673.11/298,489.44
  6. Step 6: Final answer
    x = 392,667.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.