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Finding the Fourth Proportional to 734,679.32, 1,101,889.92 and 202,071.92

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Solution

The fourth proportional to 734,679.32, 1,101,889.92 and 202,071.92 is: 303,072.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,679.32 : 1,101,889.92 = 202,071.92 : x
  2. Step 2: Convert to fraction form
    734,679.32/1,101,889.92 = 202,071.92/x
  3. Step 3: Cross multiply
    734,679.32x = 1,101,889.92 × 202,071.92
  4. Step 4: Simplify right side
    734,679.32x = 222,661,011,763.05
  5. Step 5: Solve for x
    x = 222,661,011,763.05/734,679.32
  6. Step 6: Final answer
    x = 303,072.38

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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.