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Finding the Fourth Proportional to 293,828.70, 440,743.05 and 200,516.70

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Solution

The fourth proportional to 293,828.70, 440,743.05 and 200,516.70 is: 300,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,828.70 : 440,743.05 = 200,516.70 : x
  2. Step 2: Convert to fraction form
    293,828.70/440,743.05 = 200,516.70/x
  3. Step 3: Cross multiply
    293,828.70x = 440,743.05 × 200,516.70
  4. Step 4: Simplify right side
    293,828.70x = 88,376,341,933.94
  5. Step 5: Solve for x
    x = 88,376,341,933.94/293,828.70
  6. Step 6: Final answer
    x = 300,775.05

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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.