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Finding the Fourth Proportional to 500,166.96, 690,230.43 and 273,812.46

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Solution

The fourth proportional to 500,166.96, 690,230.43 and 273,812.46 is: 377,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,166.96 : 690,230.43 = 273,812.46 : x
  2. Step 2: Convert to fraction form
    500,166.96/690,230.43 = 273,812.46/x
  3. Step 3: Cross multiply
    500,166.96x = 690,230.43 × 273,812.46
  4. Step 4: Simplify right side
    500,166.96x = 188,993,692,005.16
  5. Step 5: Solve for x
    x = 188,993,692,005.16/500,166.96
  6. Step 6: Final answer
    x = 377,861.21

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1.5x scale

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.