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Finding the Fourth Proportional to 225,806.50, 311,433.56 and 191,927.12

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Solution

The fourth proportional to 225,806.50, 311,433.56 and 191,927.12 is: 264,706.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,806.50 : 311,433.56 = 191,927.12 : x
  2. Step 2: Convert to fraction form
    225,806.50/311,433.56 = 191,927.12/x
  3. Step 3: Cross multiply
    225,806.50x = 311,433.56 × 191,927.12
  4. Step 4: Simplify right side
    225,806.50x = 59,772,546,242.15
  5. Step 5: Solve for x
    x = 59,772,546,242.15/225,806.50
  6. Step 6: Final answer
    x = 264,706.93

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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.