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Finding the Fourth Proportional to 371,793.85, 513,033.84 and 210,614.38

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Solution

The fourth proportional to 371,793.85, 513,033.84 and 210,614.38 is: 290,624.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,793.85 : 513,033.84 = 210,614.38 : x
  2. Step 2: Convert to fraction form
    371,793.85/513,033.84 = 210,614.38/x
  3. Step 3: Cross multiply
    371,793.85x = 513,033.84 × 210,614.38
  4. Step 4: Simplify right side
    371,793.85x = 108,052,302,848.04
  5. Step 5: Solve for x
    x = 108,052,302,848.04/371,793.85
  6. Step 6: Final answer
    x = 290,624.24

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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.