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Finding the Fourth Proportional to 276,190.71, 412,269.76 and 236,999.67

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Solution

The fourth proportional to 276,190.71, 412,269.76 and 236,999.67 is: 353,769.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,190.71 : 412,269.76 = 236,999.67 : x
  2. Step 2: Convert to fraction form
    276,190.71/412,269.76 = 236,999.67/x
  3. Step 3: Cross multiply
    276,190.71x = 412,269.76 × 236,999.67
  4. Step 4: Simplify right side
    276,190.71x = 97,707,796,478.48
  5. Step 5: Solve for x
    x = 97,707,796,478.48/276,190.71
  6. Step 6: Final answer
    x = 353,769.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.