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Finding the Fourth Proportional to 352,769.69, 486,824.72 and 191,624.79

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Solution

The fourth proportional to 352,769.69, 486,824.72 and 191,624.79 is: 264,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,769.69 : 486,824.72 = 191,624.79 : x
  2. Step 2: Convert to fraction form
    352,769.69/486,824.72 = 191,624.79/x
  3. Step 3: Cross multiply
    352,769.69x = 486,824.72 × 191,624.79
  4. Step 4: Simplify right side
    352,769.69x = 93,287,683,778.68
  5. Step 5: Solve for x
    x = 93,287,683,778.68/352,769.69
  6. Step 6: Final answer
    x = 264,443.60

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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.