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Finding the Fourth Proportional to 276,362.19, 414,519.47 and 168,263.54

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Solution

The fourth proportional to 276,362.19, 414,519.47 and 168,263.54 is: 252,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,362.19 : 414,519.47 = 168,263.54 : x
  2. Step 2: Convert to fraction form
    276,362.19/414,519.47 = 168,263.54/x
  3. Step 3: Cross multiply
    276,362.19x = 414,519.47 × 168,263.54
  4. Step 4: Simplify right side
    276,362.19x = 69,748,510,507.21
  5. Step 5: Solve for x
    x = 69,748,510,507.21/276,362.19
  6. Step 6: Final answer
    x = 252,380.80

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1.5x scale

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.