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Finding the Fourth Proportional to 493,903.50, 740,904.84 and 134,080.44

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Solution

The fourth proportional to 493,903.50, 740,904.84 and 134,080.44 is: 201,134.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,903.50 : 740,904.84 = 134,080.44 : x
  2. Step 2: Convert to fraction form
    493,903.50/740,904.84 = 134,080.44/x
  3. Step 3: Cross multiply
    493,903.50x = 740,904.84 × 134,080.44
  4. Step 4: Simplify right side
    493,903.50x = 99,340,846,945.33
  5. Step 5: Solve for x
    x = 99,340,846,945.33/493,903.50
  6. Step 6: Final answer
    x = 201,134.12

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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.