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Finding the Fourth Proportional to 301,237.20, 451,726.20 and 151,419.60

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Solution

The fourth proportional to 301,237.20, 451,726.20 and 151,419.60 is: 227,064.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,237.20 : 451,726.20 = 151,419.60 : x
  2. Step 2: Convert to fraction form
    301,237.20/451,726.20 = 151,419.60/x
  3. Step 3: Cross multiply
    301,237.20x = 451,726.20 × 151,419.60
  4. Step 4: Simplify right side
    301,237.20x = 68,400,200,513.52
  5. Step 5: Solve for x
    x = 68,400,200,513.52/301,237.20
  6. Step 6: Final answer
    x = 227,064.26

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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.