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Finding the Fourth Proportional to 350,624.70, 483,876.18 and 197,668.55

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Solution

The fourth proportional to 350,624.70, 483,876.18 and 197,668.55 is: 272,790.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,624.70 : 483,876.18 = 197,668.55 : x
  2. Step 2: Convert to fraction form
    350,624.70/483,876.18 = 197,668.55/x
  3. Step 3: Cross multiply
    350,624.70x = 483,876.18 × 197,668.55
  4. Step 4: Simplify right side
    350,624.70x = 95,647,104,089.83
  5. Step 5: Solve for x
    x = 95,647,104,089.83/350,624.70
  6. Step 6: Final answer
    x = 272,790.55

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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.