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Finding the Fourth Proportional to 492,532.38, 738,798.66 and 118,555.38

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Solution

The fourth proportional to 492,532.38, 738,798.66 and 118,555.38 is: 177,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,532.38 : 738,798.66 = 118,555.38 : x
  2. Step 2: Convert to fraction form
    492,532.38/738,798.66 = 118,555.38/x
  3. Step 3: Cross multiply
    492,532.38x = 738,798.66 × 118,555.38
  4. Step 4: Simplify right side
    492,532.38x = 87,588,555,879.79
  5. Step 5: Solve for x
    x = 87,588,555,879.79/492,532.38
  6. Step 6: Final answer
    x = 177,833.09

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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.