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Finding the Fourth Proportional to 274,329.70, 411,494.55 and 116,865.70

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Solution

The fourth proportional to 274,329.70, 411,494.55 and 116,865.70 is: 175,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,329.70 : 411,494.55 = 116,865.70 : x
  2. Step 2: Convert to fraction form
    274,329.70/411,494.55 = 116,865.70/x
  3. Step 3: Cross multiply
    274,329.70x = 411,494.55 × 116,865.70
  4. Step 4: Simplify right side
    274,329.70x = 48,089,598,631.94
  5. Step 5: Solve for x
    x = 48,089,598,631.94/274,329.70
  6. Step 6: Final answer
    x = 175,298.55

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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.