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Finding the Fourth Proportional to 273,812.50, 377,861.25 and 154,580.50

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Solution

The fourth proportional to 273,812.50, 377,861.25 and 154,580.50 is: 213,321.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,812.50 : 377,861.25 = 154,580.50 : x
  2. Step 2: Convert to fraction form
    273,812.50/377,861.25 = 154,580.50/x
  3. Step 3: Cross multiply
    273,812.50x = 377,861.25 × 154,580.50
  4. Step 4: Simplify right side
    273,812.50x = 58,409,980,955.63
  5. Step 5: Solve for x
    x = 58,409,980,955.63/273,812.50
  6. Step 6: Final answer
    x = 213,321.09

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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.