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Finding the Fourth Proportional to 471,239.19, 706,924.49 and 151,400.75

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Solution

The fourth proportional to 471,239.19, 706,924.49 and 151,400.75 is: 227,122.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,239.19 : 706,924.49 = 151,400.75 : x
  2. Step 2: Convert to fraction form
    471,239.19/706,924.49 = 151,400.75/x
  3. Step 3: Cross multiply
    471,239.19x = 706,924.49 × 151,400.75
  4. Step 4: Simplify right side
    471,239.19x = 107,028,893,687.74
  5. Step 5: Solve for x
    x = 107,028,893,687.74/471,239.19
  6. Step 6: Final answer
    x = 227,122.23

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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.