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Finding the Fourth Proportional to 490,627.02, 735,954.38 and 135,641.01

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Solution

The fourth proportional to 490,627.02, 735,954.38 and 135,641.01 is: 203,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,627.02 : 735,954.38 = 135,641.01 : x
  2. Step 2: Convert to fraction form
    490,627.02/735,954.38 = 135,641.01/x
  3. Step 3: Cross multiply
    490,627.02x = 735,954.38 × 135,641.01
  4. Step 4: Simplify right side
    490,627.02x = 99,825,594,738.92
  5. Step 5: Solve for x
    x = 99,825,594,738.92/490,627.02
  6. Step 6: Final answer
    x = 203,465.34

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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.