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Finding the Fourth Proportional to 734,729.60, 1,102,029.60 and 202,203.20

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Solution

The fourth proportional to 734,729.60, 1,102,029.60 and 202,203.20 is: 303,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,729.60 : 1,102,029.60 = 202,203.20 : x
  2. Step 2: Convert to fraction form
    734,729.60/1,102,029.60 = 202,203.20/x
  3. Step 3: Cross multiply
    734,729.60x = 1,102,029.60 × 202,203.20
  4. Step 4: Simplify right side
    734,729.60x = 222,833,911,614.72
  5. Step 5: Solve for x
    x = 222,833,911,614.72/734,729.60
  6. Step 6: Final answer
    x = 303,286.97

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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.