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Finding the Fourth Proportional to 471,237.93, 706,922.60 and 151,399.50

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Solution

The fourth proportional to 471,237.93, 706,922.60 and 151,399.50 is: 227,120.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,237.93 : 706,922.60 = 151,399.50 : x
  2. Step 2: Convert to fraction form
    471,237.93/706,922.60 = 151,399.50/x
  3. Step 3: Cross multiply
    471,237.93x = 706,922.60 × 151,399.50
  4. Step 4: Simplify right side
    471,237.93x = 107,027,728,178.70
  5. Step 5: Solve for x
    x = 107,027,728,178.70/471,237.93
  6. Step 6: Final answer
    x = 227,120.36

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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.